Merge the Sky Engine changes from the SkyDart branch

sky/engine/web/WebLocalFrameImpl.h

Index: sky/engine/web/WebLocalFrameImpl.h
diff --git a/sky/engine/web/WebLocalFrameImpl.h b/sky/engine/web/WebLocalFrameImpl.h
index 2af11ebb4f2171f32806b2aeeecbd7370543bf0b..6081fc07adbadeba19a5a090532a2cdbcfd9566f 100644
--- a/sky/engine/web/WebLocalFrameImpl.h
+++ b/sky/engine/web/WebLocalFrameImpl.h
@@ -70,14 +70,6 @@ public:
     virtual void executeScript(const WebScriptSource&) override;
     virtual void addMessageToConsole(const WebConsoleMessage&) override;
     virtual void collectGarbage() override;
-    virtual v8::Handle<v8::Value> executeScriptAndReturnValue(
-        const WebScriptSource&) override;
-    virtual v8::Handle<v8::Value> callFunctionEvenIfScriptDisabled(
-        v8::Handle<v8::Function>,
-        v8::Handle<v8::Value>,
-        int argc,
-        v8::Handle<v8::Value> argv[]) override;
-    virtual v8::Local<v8::Context> mainWorldScriptContext() const override;
     virtual void load(const WebURL&, mojo::ScopedDataPipeConsumerHandle);
     virtual void replaceSelection(const WebString&) override;
     virtual void insertText(const WebString&) override;