Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

content/shell/test_runner/gc_controller.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_SHELL_TEST_RUNNER_GC_CONTROLLER_H_
 #define CONTENT_SHELL_TEST_RUNNER_GC_CONTROLLER_H_
 
 #include "base/macros.h"
 #include "gin/wrappable.h"
 
 namespace blink {
-class WebFrame;
+class WebLocalFrame;
 }
 
 namespace gin {
 class Arguments;
 }
 
 namespace test_runner {
 
 class GCController : public gin::Wrappable<GCController> {
  public:
   static gin::WrapperInfo kWrapperInfo;
-  static void Install(blink::WebFrame* frame);
+  static void Install(blink::WebLocalFrame* frame);
 
  private:
   GCController();
   ~GCController() override;
 
   // gin::Wrappable.
   gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
       v8::Isolate* isolate) override;
 
   void Collect(const gin::Arguments& args);
   void CollectAll(const gin::Arguments& args);
   void MinorCollect(const gin::Arguments& args);
 
   DISALLOW_COPY_AND_ASSIGN(GCController);
 };
 
 }  // namespace test_runner
 
 #endif  // CONTENT_SHELL_TEST_RUNNER_GC_CONTROLLER_H_