[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/liveedit.h

 // 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 74 matching lines @@
  public:
   static JSArray* GatherCompileInfo(Handle<Script> script,
                                     Handle<String> source);
 
   static void WrapSharedFunctionInfos(Handle<JSArray> array);
 
   MUST_USE_RESULT static MaybeObject* ReplaceFunctionCode(
       Handle<JSArray> new_compile_info_array,
       Handle<JSArray> shared_info_array);
 
+  static MaybeObject* FunctionSourceUpdated(Handle<JSArray> shared_info_array);
+
   // Updates script field in FunctionSharedInfo.
   static void SetFunctionScript(Handle<JSValue> function_wrapper,
                                 Handle<Object> script_handle);
 
   MUST_USE_RESULT static MaybeObject* PatchFunctionPositions(
       Handle<JSArray> shared_info_array, Handle<JSArray> position_change_array);
 
   // For a script updates its source field. If old_script_name is provided
   // (i.e. is a String), also creates a copy of the script with its original
   // source and sends notification to debugger.
@@ skipping 62 matching lines @@
   static void CalculateDifference(Input* input,
                                   Output* result_writer);
 };
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 } }  // namespace v8::internal
 
 #endif /* V*_LIVEEDIT_H_ */