Merge experimental/gc branch to the bleeding_edge.

test/cctest/test-heap-profiler.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 //
 // Tests for heap profiler
 
 #include "v8.h"
 
 #include "cctest.h"
 #include "heap-profiler.h"
 #include "snapshot.h"
 #include "utils-inl.h"
@@ skipping 276 matching lines @@
   LocalContext env;
 
   CompileRun(
       "function A() {}\n"
       "function B(x) { this.x = x; }\n"
       "var a = new A();\n"
       "var b = new B(a);");
   const v8::HeapSnapshot* snapshot1 =
       v8::HeapProfiler::TakeSnapshot(v8::String::New("s1"));
 
-  HEAP->CollectAllGarbage(true);  // Enforce compaction.
+  HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
 
   const v8::HeapSnapshot* snapshot2 =
       v8::HeapProfiler::TakeSnapshot(v8::String::New("s2"));
 
   const v8::HeapGraphNode* global1 = GetGlobalObject(snapshot1);
   const v8::HeapGraphNode* global2 = GetGlobalObject(snapshot2);
   CHECK_NE_UINT64_T(0, global1->GetId());
   CHECK_EQ_UINT64_T(global1->GetId(), global2->GetId());
   const v8::HeapGraphNode* A1 =
       GetProperty(global1, v8::HeapGraphEdge::kProperty, "A");
@@ skipping 630 matching lines @@
       "Constructor4", i::V8HeapExplorer::GetConstructorName(*js_obj4)));
   v8::Local<v8::Object> obj5 = js_global->Get(v8_str("obj5")).As<v8::Object>();
   i::Handle<i::JSObject> js_obj5 = v8::Utils::OpenHandle(*obj5);
   CHECK_EQ(0, StringCmp(
       "Object", i::V8HeapExplorer::GetConstructorName(*js_obj5)));
   v8::Local<v8::Object> obj6 = js_global->Get(v8_str("obj6")).As<v8::Object>();
   i::Handle<i::JSObject> js_obj6 = v8::Utils::OpenHandle(*obj6);
   CHECK_EQ(0, StringCmp(
       "Object", i::V8HeapExplorer::GetConstructorName(*js_obj6)));
 }