Implement Blink-side changes to enable V8 code caching.

Source/bindings/core/v8/ScriptController.cpp

Index: Source/bindings/core/v8/ScriptController.cpp
diff --git a/Source/bindings/core/v8/ScriptController.cpp b/Source/bindings/core/v8/ScriptController.cpp
index e2fb2110effb04272e11cf2740cffc82dd3b7341..5dfb7200fb337c7cfb308646f429a7cb957e9f0e 100644
--- a/Source/bindings/core/v8/ScriptController.cpp
+++ b/Source/bindings/core/v8/ScriptController.cpp
@@ -174,6 +174,10 @@ v8::Local<v8::Value> ScriptController::executeScriptAndReturnValue(v8::Handle<v8
 
     v8::Local<v8::Value> result;
     {
+        V8CacheOptionsType v8CacheOptions(V8CacheOff);
+        if (m_frame->settings())
+            v8CacheOptions = m_frame->settings()->v8CacheOptions();
+
         // Isolate exceptions that occur when compiling and executing
         // the code. These exceptions should not interfere with
         // javascript code we might evaluate from C++ when returning
@@ -181,7 +185,7 @@ v8::Local<v8::Value> ScriptController::executeScriptAndReturnValue(v8::Handle<v8
         v8::TryCatch tryCatch;
         tryCatch.SetVerbose(true);
 
-        v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, m_isolate, corsStatus);
+        v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, m_isolate, corsStatus, v8CacheOptions);
 
         // Keep LocalFrame (and therefore ScriptController) alive.
         RefPtr<LocalFrame> protect(m_frame);