Define stubs for implementations of v8-profiler.h API when profiling is disabled

TBR=sgjesse@chromium.org
BUG=https://bugs.webkit.org/show_bug.cgi?id=62014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/api.cc

@@ -5263,9 +5263,8 @@ Local<Context> Debug::GetDebugContext() {
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
-
 Handle<String> CpuProfileNode::GetFunctionName() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetFunctionName");
   const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
@@ -5278,77 +5277,117 @@ Handle<String> CpuProfileNode::GetFunctionName() const {
         isolate->factory()->LookupAsciiSymbol(entry->name_prefix()),
         isolate->factory()->LookupAsciiSymbol(entry->name()))));
   }
+#else
+  return v8::String::Empty();
+#endif
 }
 
 
 Handle<String> CpuProfileNode::GetScriptResourceName() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetScriptResourceName");
   const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
   return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
       node->entry()->resource_name())));
+#else
+  return v8::String::Empty();
+#endif
 }
 
 
 int CpuProfileNode::GetLineNumber() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetLineNumber");
   return reinterpret_cast<const i::ProfileNode*>(this)->entry()->line_number();
+#else
+  return 0;
+#endif
 }
 
 
 double CpuProfileNode::GetTotalTime() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetTotalTime");
   return reinterpret_cast<const i::ProfileNode*>(this)->GetTotalMillis();
+#else
+  return 0.0;
+#endif
 }
 
 
 double CpuProfileNode::GetSelfTime() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetSelfTime");
   return reinterpret_cast<const i::ProfileNode*>(this)->GetSelfMillis();
+#else
+  return 0.0;
+#endif
 }
 
 
 double CpuProfileNode::GetTotalSamplesCount() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetTotalSamplesCount");
   return reinterpret_cast<const i::ProfileNode*>(this)->total_ticks();
+#else
+  return 0.0;
+#endif
 }
 
 
 double CpuProfileNode::GetSelfSamplesCount() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetSelfSamplesCount");
   return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks();
+#else
+  return 0.0;
+#endif
 }
 
 
 unsigned CpuProfileNode::GetCallUid() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetCallUid");
   return reinterpret_cast<const i::ProfileNode*>(this)->entry()->GetCallUid();
+#else
+  return 0;
+#endif
 }
 
 
 int CpuProfileNode::GetChildrenCount() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetChildrenCount");
   return reinterpret_cast<const i::ProfileNode*>(this)->children()->length();
+#else
+  return 0;
+#endif
 }
 
 
 const CpuProfileNode* CpuProfileNode::GetChild(int index) const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfileNode::GetChild");
   const i::ProfileNode* child =
       reinterpret_cast<const i::ProfileNode*>(this)->children()->at(index);
   return reinterpret_cast<const CpuProfileNode*>(child);
+#else
+  return NULL;
+#endif
 }
 
 
 void CpuProfile::Delete() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfile::Delete");
   i::CpuProfiler::DeleteProfile(reinterpret_cast<i::CpuProfile*>(this));
@@ -5357,108 +5396,153 @@ void CpuProfile::Delete() {
     // If this was the last profile, clean up all accessory data as well.
     i::CpuProfiler::DeleteAllProfiles();
   }
+#endif
 }
 
 
 unsigned CpuProfile::GetUid() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfile::GetUid");
   return reinterpret_cast<const i::CpuProfile*>(this)->uid();
+#else
+  return 0;
+#endif
 }
 
 
 Handle<String> CpuProfile::GetTitle() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfile::GetTitle");
   const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
   return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
       profile->title())));
+#else
+  return v8::String::Empty();
+#endif
 }
 
 
 const CpuProfileNode* CpuProfile::GetBottomUpRoot() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfile::GetBottomUpRoot");
   const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
   return reinterpret_cast<const CpuProfileNode*>(profile->bottom_up()->root());
+#else
+  return NULL;
+#endif
 }
 
 
 const CpuProfileNode* CpuProfile::GetTopDownRoot() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfile::GetTopDownRoot");
   const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
   return reinterpret_cast<const CpuProfileNode*>(profile->top_down()->root());
+#else
+  return NULL;
+#endif
 }
 
 
 int CpuProfiler::GetProfilesCount() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfiler::GetProfilesCount");
   return i::CpuProfiler::GetProfilesCount();
+#else
+  return 0;
+#endif
 }
 
 
 const CpuProfile* CpuProfiler::GetProfile(int index,
                                           Handle<Value> security_token) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfiler::GetProfile");
   return reinterpret_cast<const CpuProfile*>(
       i::CpuProfiler::GetProfile(
           security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token),
           index));
+#else
+  return NULL;
+#endif
 }
 
 
 const CpuProfile* CpuProfiler::FindProfile(unsigned uid,
                                            Handle<Value> security_token) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfiler::FindProfile");
   return reinterpret_cast<const CpuProfile*>(
       i::CpuProfiler::FindProfile(
           security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token),
           uid));
+#else
+  return NULL;
+#endif
 }
 
 
 void CpuProfiler::StartProfiling(Handle<String> title) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfiler::StartProfiling");
   i::CpuProfiler::StartProfiling(*Utils::OpenHandle(*title));
+#endif
 }
 
 
 const CpuProfile* CpuProfiler::StopProfiling(Handle<String> title,
                                              Handle<Value> security_token) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfiler::StopProfiling");
   return reinterpret_cast<const CpuProfile*>(
       i::CpuProfiler::StopProfiling(
           security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token),
           *Utils::OpenHandle(*title)));
+#else
+  return NULL;
+#endif
 }
 
 
 void CpuProfiler::DeleteAllProfiles() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::CpuProfiler::DeleteAllProfiles");
   i::CpuProfiler::DeleteAllProfiles();
+#endif
 }
 
 
+#ifdef ENABLE_LOGGING_AND_PROFILING
 static i::HeapGraphEdge* ToInternal(const HeapGraphEdge* edge) {
   return const_cast<i::HeapGraphEdge*>(
       reinterpret_cast<const i::HeapGraphEdge*>(edge));
 }
+#endif
+
 
 HeapGraphEdge::Type HeapGraphEdge::GetType() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphEdge::GetType");
   return static_cast<HeapGraphEdge::Type>(ToInternal(this)->type());
+#else
+  return static_cast<HeapGraphEdge::Type>(0);
+#endif
 }
 
 
 Handle<Value> HeapGraphEdge::GetName() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphEdge::GetName");
   i::HeapGraphEdge* edge = ToInternal(this);
@@ -5475,121 +5559,179 @@ Handle<Value> HeapGraphEdge::GetName() const {
           edge->index())));
     default: UNREACHABLE();
   }
+#endif
   return v8::Undefined();
 }
 
 
 const HeapGraphNode* HeapGraphEdge::GetFromNode() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphEdge::GetFromNode");
   const i::HeapEntry* from = ToInternal(this)->From();
   return reinterpret_cast<const HeapGraphNode*>(from);
+#else
+  return NULL;
+#endif
 }
 
 
 const HeapGraphNode* HeapGraphEdge::GetToNode() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphEdge::GetToNode");
   const i::HeapEntry* to = ToInternal(this)->to();
   return reinterpret_cast<const HeapGraphNode*>(to);
+#else
+  return NULL;
+#endif
 }
 
 
+#ifdef ENABLE_LOGGING_AND_PROFILING
 static i::HeapEntry* ToInternal(const HeapGraphNode* entry) {
   return const_cast<i::HeapEntry*>(
       reinterpret_cast<const i::HeapEntry*>(entry));
 }
+#endif
 
 
 HeapGraphNode::Type HeapGraphNode::GetType() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphNode::GetType");
   return static_cast<HeapGraphNode::Type>(ToInternal(this)->type());
+#else
+  return static_cast<HeapGraphNode::Type>(0);
+#endif
 }
 
 
 Handle<String> HeapGraphNode::GetName() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphNode::GetName");
   return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
       ToInternal(this)->name())));
+#else
+  return v8::String::Empty();
+#endif
 }
 
 
 uint64_t HeapGraphNode::GetId() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphNode::GetId");
   ASSERT(ToInternal(this)->snapshot()->type() != i::HeapSnapshot::kAggregated);
   return ToInternal(this)->id();
+#else
+  return 0;
+#endif
 }
 
 
 int HeapGraphNode::GetInstancesCount() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphNode::GetInstancesCount");
   ASSERT(ToInternal(this)->snapshot()->type() == i::HeapSnapshot::kAggregated);
   return static_cast<int>(ToInternal(this)->id());
+#else
+  return 0;
+#endif
 }
 
 
 int HeapGraphNode::GetSelfSize() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphNode::GetSelfSize");
   return ToInternal(this)->self_size();
+#else
+  return 0;
+#endif
 }
 
 
 int HeapGraphNode::GetRetainedSize(bool exact) const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainedSize");
   return ToInternal(this)->RetainedSize(exact);
+#else
+  return 0;
+#endif
 }
 
 
 int HeapGraphNode::GetChildrenCount() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetChildrenCount");
   return ToInternal(this)->children().length();
+#else
+  return 0;
+#endif
 }
 
 
 const HeapGraphEdge* HeapGraphNode::GetChild(int index) const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetChild");
   return reinterpret_cast<const HeapGraphEdge*>(
       &ToInternal(this)->children()[index]);
+#else
+  return NULL;
+#endif
 }
 
 
 int HeapGraphNode::GetRetainersCount() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainersCount");
   return ToInternal(this)->retainers().length();
+#else
+  return 0;
+#endif
 }
 
 
 const HeapGraphEdge* HeapGraphNode::GetRetainer(int index) const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainer");
   return reinterpret_cast<const HeapGraphEdge*>(
       ToInternal(this)->retainers()[index]);
+#else
+  return NULL;
+#endif
 }
 
 
 const HeapGraphNode* HeapGraphNode::GetDominatorNode() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetDominatorNode");
   return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->dominator());
+#else
+  return NULL;
+#endif
 }
 
 
+#ifdef ENABLE_LOGGING_AND_PROFILING
 static i::HeapSnapshot* ToInternal(const HeapSnapshot* snapshot) {
   return const_cast<i::HeapSnapshot*>(
       reinterpret_cast<const i::HeapSnapshot*>(snapshot));
 }
+#endif
 
 
 void HeapSnapshot::Delete() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::Delete");
   if (i::HeapProfiler::GetSnapshotsCount() > 1) {
@@ -5598,48 +5740,70 @@ void HeapSnapshot::Delete() {
     // If this is the last snapshot, clean up all accessory data as well.
     i::HeapProfiler::DeleteAllSnapshots();
   }
+#endif
 }
 
 
 HeapSnapshot::Type HeapSnapshot::GetType() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetType");
   return static_cast<HeapSnapshot::Type>(ToInternal(this)->type());
+#else
+  return static_cast<HeapSnapshot::Type>(0);
+#endif
 }
 
 
 unsigned HeapSnapshot::GetUid() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetUid");
   return ToInternal(this)->uid();
+#else
+  return 0;
+#endif
 }
 
 
 Handle<String> HeapSnapshot::GetTitle() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetTitle");
   return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
       ToInternal(this)->title())));
+#else
+  return v8::String::Empty();
+#endif
 }
 
 
 const HeapGraphNode* HeapSnapshot::GetRoot() const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetHead");
   return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->root());
+#else
+  return 0;
+#endif
 }
 
 
 const HeapGraphNode* HeapSnapshot::GetNodeById(uint64_t id) const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetNodeById");
   return reinterpret_cast<const HeapGraphNode*>(
       ToInternal(this)->GetEntryById(id));
+#else
+  return NULL;
+#endif
 }
 
 
 void HeapSnapshot::Serialize(OutputStream* stream,
                              HeapSnapshot::SerializationFormat format) const {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::Serialize");
   ApiCheck(format == kJSON,
@@ -5653,35 +5817,49 @@ void HeapSnapshot::Serialize(OutputStream* stream,
            "Invalid stream chunk size");
   i::HeapSnapshotJSONSerializer serializer(ToInternal(this));
   serializer.Serialize(stream);
+#endif
 }
 
 
 int HeapProfiler::GetSnapshotsCount() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::GetSnapshotsCount");
   return i::HeapProfiler::GetSnapshotsCount();
+#else
+  return 0;
+#endif
 }
 
 
 const HeapSnapshot* HeapProfiler::GetSnapshot(int index) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::GetSnapshot");
   return reinterpret_cast<const HeapSnapshot*>(
       i::HeapProfiler::GetSnapshot(index));
+#else
+  return NULL;
+#endif
 }
 
 
 const HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::FindSnapshot");
   return reinterpret_cast<const HeapSnapshot*>(
       i::HeapProfiler::FindSnapshot(uid));
+#else
+  return NULL;
+#endif
 }
 
 
 const HeapSnapshot* HeapProfiler::TakeSnapshot(Handle<String> title,
                                                HeapSnapshot::Type type,
                                                ActivityControl* control) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::TakeSnapshot");
   i::HeapSnapshot::Type internal_type = i::HeapSnapshot::kFull;
@@ -5698,23 +5876,29 @@ const HeapSnapshot* HeapProfiler::TakeSnapshot(Handle<String> title,
   return reinterpret_cast<const HeapSnapshot*>(
       i::HeapProfiler::TakeSnapshot(
           *Utils::OpenHandle(*title), internal_type, control));
+#else
+  return NULL;
+#endif
 }
 
 
 void HeapProfiler::DeleteAllSnapshots() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::DeleteAllSnapshots");
   i::HeapProfiler::DeleteAllSnapshots();
+#endif
 }
 
 
 void HeapProfiler::DefineWrapperClass(uint16_t class_id,
                                       WrapperInfoCallback callback) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   i::Isolate::Current()->heap_profiler()->DefineWrapperClass(class_id,
                                                              callback);
+#endif
 }
 
-#endif  // ENABLE_LOGGING_AND_PROFILING
 
 
 v8::Testing::StressType internal::Testing::stress_type_ =