[Isolates] Add heap pointer to all maps and use map->heap() more.

src/heap-profiler.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 394 matching lines @@
 
 
 HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) {
   HeapProfiler* profiler = Isolate::Current()->heap_profiler();
   ASSERT(profiler != NULL);
   return profiler->snapshots_->GetSnapshot(uid);
 }
 
 
 void HeapProfiler::ObjectMoveEvent(Address from, Address to) {
-  HeapProfiler* profiler = Isolate::Current()->heap_profiler();
-  ASSERT(profiler != NULL);
-  profiler->snapshots_->ObjectMoveEvent(from, to);
+  snapshots_->ObjectMoveEvent(from, to);
 }
 
 
 const JSObjectsClusterTreeConfig::Key JSObjectsClusterTreeConfig::kNoKey;
 const JSObjectsClusterTreeConfig::Value JSObjectsClusterTreeConfig::kNoValue;
 
 
 ConstructorHeapProfile::ConstructorHeapProfile()
     : zscope_(DELETE_ON_EXIT) {
 }
@@ skipping 663 matching lines @@
   isolate_->global_handles()->MakeWeak(handle.location(),
                                        static_cast<void*>(stack.start()),
                                        StackWeakReferenceCallback);
 }
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 
 } }  // namespace v8::internal