Deprecate HeapSnapshot type

Re-landing r14005 that was reverted in r14031

TBR=danno
BUG=None

Review URL: https://codereview.chromium.org/13430003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14107 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

include/v8-profiler.h

@@ -321,8 +321,8 @@ class V8EXPORT HeapSnapshot {
     kJSON = 0  // See format description near 'Serialize' method.
   };
 
-  /** Returns heap snapshot type. */
-  Type GetType() const;
+  /** Deprecated. Returns kFull. */
+  V8_DEPRECATED(Type GetType() const);
 
   /** Returns heap snapshot UID (assigned by the profiler.) */
   unsigned GetUid() const;
@@ -451,7 +451,6 @@ class V8EXPORT HeapProfiler {
       ObjectNameResolver* global_object_name_resolver = NULL);
   /**
    * Takes a heap snapshot and returns it. Title may be an empty string.
-   * See HeapSnapshot::Type for types description.
    */
   const HeapSnapshot* TakeHeapSnapshot(
       Handle<String> title,

src/api.cc

@@ -6727,7 +6727,7 @@ void HeapSnapshot::Delete() {
 HeapSnapshot::Type HeapSnapshot::GetType() const {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetType");
-  return static_cast<HeapSnapshot::Type>(ToInternal(this)->type());
+  return kFull;
 }
 
 
@@ -6861,17 +6861,9 @@ const HeapSnapshot* HeapProfiler::TakeSnapshot(Handle<String> title,
                                                ObjectNameResolver* resolver) {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::TakeSnapshot");
-  i::HeapSnapshot::Type internal_type = i::HeapSnapshot::kFull;
-  switch (type) {
-    case HeapSnapshot::kFull:
-      internal_type = i::HeapSnapshot::kFull;
-      break;
-    default:
-      UNREACHABLE();
-  }
   return reinterpret_cast<const HeapSnapshot*>(
       isolate->heap_profiler()->TakeSnapshot(
-          *Utils::OpenHandle(*title), internal_type, control, resolver));
+          *Utils::OpenHandle(*title), control, resolver));
 }
 
 
@@ -6881,8 +6873,7 @@ const HeapSnapshot* HeapProfiler::TakeHeapSnapshot(
     ObjectNameResolver* resolver) {
   return reinterpret_cast<const HeapSnapshot*>(
       reinterpret_cast<i::HeapProfiler*>(this)->TakeSnapshot(
-          *Utils::OpenHandle(*title), i::HeapSnapshot::kFull,
-          control, resolver));
+          *Utils::OpenHandle(*title), control, resolver));
 }
 
 

src/heap-profiler.cc

@@ -72,25 +72,15 @@ v8::RetainedObjectInfo* HeapProfiler::ExecuteWrapperClassCallback(
 
 HeapSnapshot* HeapProfiler::TakeSnapshot(
     const char* name,
-    int type,
     v8::ActivityControl* control,
     v8::HeapProfiler::ObjectNameResolver* resolver) {
-  HeapSnapshot::Type s_type = static_cast<HeapSnapshot::Type>(type);
-  HeapSnapshot* result =
-      snapshots_->NewSnapshot(s_type, name, next_snapshot_uid_++);
-  bool generation_completed = true;
-  switch (s_type) {
-    case HeapSnapshot::kFull: {
-      HeapSnapshotGenerator generator(result, control, resolver, heap());
-      generation_completed = generator.GenerateSnapshot();
-      break;
+  HeapSnapshot* result = snapshots_->NewSnapshot(name, next_snapshot_uid_++);
+  {
+    HeapSnapshotGenerator generator(result, control, resolver, heap());
+    if (!generator.GenerateSnapshot()) {
+      delete result;
+      result = NULL;
     }
-    default:
-      UNREACHABLE();
-  }
-  if (!generation_completed) {
-    delete result;
-    result = NULL;
   }
   snapshots_->SnapshotGenerationFinished(result);
   return result;
@@ -99,11 +89,9 @@ HeapSnapshot* HeapProfiler::TakeSnapshot(
 
 HeapSnapshot* HeapProfiler::TakeSnapshot(
     String* name,
-    int type,
     v8::ActivityControl* control,
     v8::HeapProfiler::ObjectNameResolver* resolver) {
-  return TakeSnapshot(snapshots_->names()->GetName(name), type, control,
-                      resolver);
+  return TakeSnapshot(snapshots_->names()->GetName(name), control, resolver);
 }
 
 void HeapProfiler::StartHeapObjectsTracking() {

src/heap-profiler.h

@@ -53,12 +53,10 @@ class HeapProfiler {
 
   HeapSnapshot* TakeSnapshot(
       const char* name,
-      int type,
       v8::ActivityControl* control,
       v8::HeapProfiler::ObjectNameResolver* resolver);
   HeapSnapshot* TakeSnapshot(
       String* name,
-      int type,
       v8::ActivityControl* control,
       v8::HeapProfiler::ObjectNameResolver* resolver);
 

src/heap-snapshot-generator.cc

@@ -189,7 +189,7 @@ template <> struct SnapshotSizeConstants<4> {
   static const int kExpectedHeapGraphEdgeSize = 12;
   static const int kExpectedHeapEntrySize = 24;
   static const int kExpectedHeapSnapshotsCollectionSize = 100;
-  static const int kExpectedHeapSnapshotSize = 136;
+  static const int kExpectedHeapSnapshotSize = 132;
   static const size_t kMaxSerializableSnapshotRawSize = 256 * MB;
 };
 
@@ -197,7 +197,7 @@ template <> struct SnapshotSizeConstants<8> {
   static const int kExpectedHeapGraphEdgeSize = 24;
   static const int kExpectedHeapEntrySize = 32;
   static const int kExpectedHeapSnapshotsCollectionSize = 152;
-  static const int kExpectedHeapSnapshotSize = 168;
+  static const int kExpectedHeapSnapshotSize = 160;
   static const uint64_t kMaxSerializableSnapshotRawSize =
       static_cast<uint64_t>(6000) * MB;
 };
@@ -205,11 +205,9 @@ template <> struct SnapshotSizeConstants<8> {
 }  // namespace
 
 HeapSnapshot::HeapSnapshot(HeapSnapshotsCollection* collection,
-                           HeapSnapshot::Type type,
                            const char* title,
                            unsigned uid)
     : collection_(collection),
-      type_(type),
       title_(title),
       uid_(uid),
       root_index_(HeapEntry::kNoEntry),
@@ -599,11 +597,10 @@ HeapSnapshotsCollection::~HeapSnapshotsCollection() {
 }
 
 
-HeapSnapshot* HeapSnapshotsCollection::NewSnapshot(HeapSnapshot::Type type,
-                                                   const char* name,
+HeapSnapshot* HeapSnapshotsCollection::NewSnapshot(const char* name,
                                                    unsigned uid) {
   is_tracking_objects_ = true;  // Start watching for heap objects moves.
-  return new HeapSnapshot(this, type, name, uid);
+  return new HeapSnapshot(this, name, uid);
 }
 
 
@@ -2410,7 +2407,6 @@ void HeapSnapshotJSONSerializer::Serialize(v8::OutputStream* stream) {
 
 HeapSnapshot* HeapSnapshotJSONSerializer::CreateFakeSnapshot() {
   HeapSnapshot* result = new HeapSnapshot(snapshot_->collection(),
-                                          HeapSnapshot::kFull,
                                           snapshot_->title(),
                                           snapshot_->uid());
   result->AddRootEntry();

src/heap-snapshot-generator.h

@@ -157,18 +157,12 @@ class HeapSnapshotsCollection;
 // HeapSnapshotGenerator fills in a HeapSnapshot.
 class HeapSnapshot {
  public:
-  enum Type {
-    kFull = v8::HeapSnapshot::kFull
-  };
-
   HeapSnapshot(HeapSnapshotsCollection* collection,
-               Type type,
                const char* title,
                unsigned uid);
   void Delete();
 
   HeapSnapshotsCollection* collection() { return collection_; }
-  Type type() { return type_; }
   const char* title() { return title_; }
   unsigned uid() { return uid_; }
   size_t RawSnapshotSize() const;
@@ -203,7 +197,6 @@ class HeapSnapshot {
 
  private:
   HeapSnapshotsCollection* collection_;
-  Type type_;
   const char* title_;
   unsigned uid_;
   int root_index_;
@@ -305,8 +298,7 @@ class HeapSnapshotsCollection {
   void StartHeapObjectsTracking() { is_tracking_objects_ = true; }
   void StopHeapObjectsTracking() { ids_.StopHeapObjectsTracking(); }
 
-  HeapSnapshot* NewSnapshot(
-      HeapSnapshot::Type type, const char* name, unsigned uid);
+  HeapSnapshot* NewSnapshot(const char* name, unsigned uid);
   void SnapshotGenerationFinished(HeapSnapshot* snapshot);
   List<HeapSnapshot*>* snapshots() { return &snapshots_; }
   HeapSnapshot* GetSnapshot(unsigned uid);