Implement Blink-side changes to enable V8 code caching.

Source/bindings/core/v8/V8ScriptRunner.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 namespace blink {
 
 class ScriptResource;
 class ScriptSourceCode;
 class ExecutionContext;
 
 class V8ScriptRunner {
 public:
     // For the following methods, the caller sites have to hold
     // a HandleScope and a ContextScope.
-    static v8::Local<v8::Script> compileScript(const ScriptSourceCode&, v8::Isolate*, AccessControlStatus = SharableCrossOrigin);
-    static v8::Local<v8::Script> compileScript(v8::Handle<v8::String>, const String& fileName, const TextPosition&, ScriptResource*, v8::Isolate*, AccessControlStatus = SharableCrossOrigin);
+    static v8::Local<v8::Script> compileScript(const ScriptSourceCode&, v8::Isolate*, AccessControlStatus = SharableCrossOrigin, const String& = String());
+    static v8::Local<v8::Script> compileScript(v8::Handle<v8::String>, const String& fileName, const TextPosition&, ScriptResource*, v8::Isolate*, AccessControlStatus = SharableCrossOrigin, const String& = String());
     static v8::Local<v8::Value> runCompiledScript(v8::Handle<v8::Script>, ExecutionContext*, v8::Isolate*);
     static v8::Local<v8::Value> compileAndRunInternalScript(v8::Handle<v8::String>, v8::Isolate*, const String& = String(), const TextPosition& = TextPosition());
     static v8::Local<v8::Value> callInternalFunction(v8::Handle<v8::Function>, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[], v8::Isolate*);
     static v8::Local<v8::Value> callFunction(v8::Handle<v8::Function>, ExecutionContext*, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[], v8::Isolate*);
     static v8::Local<v8::Value> callAsFunction(v8::Isolate*, v8::Handle<v8::Object>, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[]);
     static v8::Local<v8::Object> instantiateObject(v8::Isolate*, v8::Handle<v8::ObjectTemplate>);
     static v8::Local<v8::Object> instantiateObject(v8::Isolate*, v8::Handle<v8::Function>, int argc = 0, v8::Handle<v8::Value> argv[] = 0);
     static v8::Local<v8::Object> instantiateObjectInDocument(v8::Isolate*, v8::Handle<v8::Function>, ExecutionContext*, int argc = 0, v8::Handle<v8::Value> argv[] = 0);
 
 };
 
 } // namespace blink
 
 #endif // V8ScriptRunner_h