Remove obsolete unchecked accessors in JSFunction.

R=hpayer@chromium.org
BUG=v8:1490

Review URL: https://codereview.chromium.org/17833002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15338 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/frames.cc

@@ -741,7 +741,7 @@ int JavaScriptFrame::GetArgumentsLength() const {
 
 Code* JavaScriptFrame::unchecked_code() const {
   JSFunction* function = JSFunction::cast(this->function());
-  return function->unchecked_code();
+  return function->code();
 }
 
 

src/heap-snapshot-generator.cc

@@ -1050,9 +1050,9 @@ void V8HeapExplorer::ExtractJSObjectReferences(
     SetInternalReference(js_fun, entry,
                          "shared", shared_info,
                          JSFunction::kSharedFunctionInfoOffset);
-    TagObject(js_fun->unchecked_context(), "(context)");
+    TagObject(js_fun->context(), "(context)");
     SetInternalReference(js_fun, entry,
-                         "context", js_fun->unchecked_context(),
+                         "context", js_fun->context(),
                          JSFunction::kContextOffset);
     for (int i = JSFunction::kNonWeakFieldsEndOffset;
          i < JSFunction::kSize;

src/mark-compact.cc

@@ -1319,7 +1319,7 @@ static inline HeapObject* ShortCircuitConsString(Object** p) {
   InstanceType type = map->instance_type();
   if ((type & kShortcutTypeMask) != kShortcutTypeTag) return object;
 
-  Object* second = reinterpret_cast<ConsString*>(object)->unchecked_second();
+  Object* second = reinterpret_cast<ConsString*>(object)->second();
   Heap* heap = map->GetHeap();
   if (second != heap->empty_string()) {
     return object;
@@ -1328,7 +1328,7 @@ static inline HeapObject* ShortCircuitConsString(Object** p) {
   // Since we don't have the object's start, it is impossible to update the
   // page dirty marks. Therefore, we only replace the string with its left
   // substring when page dirty marks do not change.
-  Object* first = reinterpret_cast<ConsString*>(object)->unchecked_first();
+  Object* first = reinterpret_cast<ConsString*>(object)->first();
   if (!heap->InNewSpace(object) && heap->InNewSpace(first)) return object;
 
   *p = first;

src/objects-inl.h

@@ -4901,12 +4901,7 @@ bool JSFunction::IsInRecompileQueue() {
 
 
 Code* JSFunction::code() {
-  return Code::cast(unchecked_code());
-}
-
-
-Code* JSFunction::unchecked_code() {
-  return reinterpret_cast<Code*>(
+  return Code::cast(
       Code::GetObjectFromEntryAddress(FIELD_ADDR(this, kCodeEntryOffset)));
 }
 
@@ -4951,11 +4946,6 @@ Context* JSFunction::context() {
 }
 
 
-Object* JSFunction::unchecked_context() {
-  return READ_FIELD(this, kContextOffset);
-}
-
-
 void JSFunction::set_context(Object* value) {
   ASSERT(value->IsUndefined() || value->IsContext());
   WRITE_FIELD(this, kContextOffset, value);

src/objects-printer.cc

@@ -864,7 +864,7 @@ void JSFunction::JSFunctionPrint(FILE* out) {
   PrintF(out, "\n   - name = ");
   shared()->name()->Print(out);
   PrintF(out, "\n - context = ");
-  unchecked_context()->ShortPrint(out);
+  context()->ShortPrint(out);
   PrintF(out, "\n - literals = ");
   literals()->ShortPrint(out);
   PrintF(out, "\n - code = ");

src/objects-visiting-inl.h

@@ -645,7 +645,7 @@ bool StaticMarkingVisitor<StaticVisitor>::IsFlushable(
   }
 
   // The function must have a valid context and not be a builtin.
-  if (!IsValidNonBuiltinContext(function->unchecked_context())) {
+  if (!IsValidNonBuiltinContext(function->context())) {
     return false;
   }
 

src/objects.h

@@ -6567,7 +6567,6 @@ class JSFunction: public JSObject {
 
   // [context]: The context for this function.
   inline Context* context();
-  inline Object* unchecked_context();
   inline void set_context(Object* context);
 
   // [code]: The generated code object for this function.  Executed
@@ -6579,8 +6578,6 @@ class JSFunction: public JSObject {
   inline void set_code_no_write_barrier(Code* code);
   inline void ReplaceCode(Code* code);
 
-  inline Code* unchecked_code();
-
   // Tells whether this function is builtin.
   inline bool IsBuiltin();
 

src/string-stream.cc

@@ -471,7 +471,7 @@ void StringStream::PrintSecurityTokenIfChanged(Object* f) {
   }
 
   JSFunction* fun = JSFunction::cast(f);
-  Object* perhaps_context = fun->unchecked_context();
+  Object* perhaps_context = fun->context();
   if (perhaps_context->IsHeapObject() &&
       heap->Contains(HeapObject::cast(perhaps_context)) &&
       perhaps_context->IsContext()) {