[Isolates] Merge from bleeding_edge to isolates, revisions 6100-6300.

src/api.cc

 // Copyright 2010 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 3258 matching lines @@
                 "Use v8::Isolate::Dispose() for a non-default isolate.")) {
     return false;
   }
   i::V8::TearDown();
   return true;
 }
 
 
 HeapStatistics::HeapStatistics(): total_heap_size_(0),
                                   total_heap_size_executable_(0),
-                                  used_heap_size_(0) { }
+                                  used_heap_size_(0),
+                                  heap_size_limit_(0) { }
 
 
 void v8::V8::GetHeapStatistics(HeapStatistics* heap_statistics) {
   heap_statistics->set_total_heap_size(HEAP->CommittedMemory());
   heap_statistics->set_total_heap_size_executable(
       HEAP->CommittedMemoryExecutable());
   heap_statistics->set_used_heap_size(HEAP->SizeOfObjects());
+  heap_statistics->set_heap_size_limit(HEAP->MaxReserved());
 }
 
 
 bool v8::V8::IdleNotification() {
   // Returning true tells the caller that it need not
   // continue to call IdleNotification.
   if (!i::Isolate::Current()->IsInitialized()) return true;
   return i::V8::IdleNotification();
 }
 
@@ skipping 1861 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* thread_local =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   thread_local->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal