Merge bleeding edge up to 8774 into the GC branch.

src/factory.h

 // Copyright 2011 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 40 matching lines @@
 
   // Allocate a new uninitialized fixed double array.
   Handle<FixedArray> NewFixedDoubleArray(
       int size,
       PretenureFlag pretenure = NOT_TENURED);
 
   Handle<NumberDictionary> NewNumberDictionary(int at_least_space_for);
 
   Handle<StringDictionary> NewStringDictionary(int at_least_space_for);
 
+  Handle<ObjectHashTable> NewObjectHashTable(int at_least_space_for);
+
   Handle<DescriptorArray> NewDescriptorArray(int number_of_descriptors);
   Handle<DeoptimizationInputData> NewDeoptimizationInputData(
       int deopt_entry_count,
       PretenureFlag pretenure);
   Handle<DeoptimizationOutputData> NewDeoptimizationOutputData(
       int deopt_entry_count,
       PretenureFlag pretenure);
 
   Handle<String> LookupSymbol(Vector<const char> str);
   Handle<String> LookupSymbol(Handle<String> str);
@@ skipping 175 matching lines @@
   // JS arrays are pretenured when allocated by the parser.
   Handle<JSArray> NewJSArray(int capacity,
                              PretenureFlag pretenure = NOT_TENURED);
 
   Handle<JSArray> NewJSArrayWithElements(
       Handle<FixedArray> elements,
       PretenureFlag pretenure = NOT_TENURED);
 
   Handle<JSProxy> NewJSProxy(Handle<Object> handler, Handle<Object> prototype);
 
+  // Change the type of the argument into a regular JS object and reinitialize.
+  void BecomeJSObject(Handle<JSProxy> object);
+
   Handle<JSFunction> NewFunction(Handle<String> name,
                                  Handle<Object> prototype);
 
   Handle<JSFunction> NewFunctionWithoutPrototype(
       Handle<String> name,
       StrictModeFlag strict_mode);
 
   Handle<JSFunction> NewFunction(Handle<Object> super, bool is_global);
 
   Handle<JSFunction> BaseNewFunctionFromSharedFunctionInfo(
@@ skipping 183 matching lines @@
   // Update the map cache in the global context with (keys, map)
   Handle<MapCache> AddToMapCache(Handle<Context> context,
                                  Handle<FixedArray> keys,
                                  Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_