Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

third_party/WebKit/public/web/WebRemoteFrame.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 WebRemoteFrame_h
 #define WebRemoteFrame_h
 
 #include "public/platform/WebContentSecurityPolicy.h"
 #include "public/platform/WebFeaturePolicy.h"
 #include "public/platform/WebInsecureRequestPolicy.h"
@@ skipping 82 matching lines @@
 
   // This is called in OOPIF scenarios when an element contained in this
   // frame is about to enter fullscreen.  This frame's owner
   // corresponds to the HTMLFrameOwnerElement to be fullscreened. Calling
   // this prepares FullscreenController to enter fullscreen for that frame
   // owner.
   virtual void WillEnterFullscreen() = 0;
 
   virtual void SetHasReceivedUserGesture() = 0;
 
-  virtual v8::Local<v8::Object> GlobalProxy() const = 0;
-
  protected:
   explicit WebRemoteFrame(WebTreeScopeType scope) : WebFrame(scope) {}
 
   // Inherited from WebFrame, but intentionally hidden: it never makes sense
   // to call these on a WebRemoteFrame.
   bool IsWebLocalFrame() const override = 0;
   WebLocalFrame* ToWebLocalFrame() override = 0;
   bool IsWebRemoteFrame() const override = 0;
   WebRemoteFrame* ToWebRemoteFrame() override = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebRemoteFrame_h