Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

third_party/WebKit/public/web/WebFrame.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 23 matching lines @@
 #include <memory>
 #include "WebIconURL.h"
 #include "WebNode.h"
 #include "public/platform/WebCanvas.h"
 #include "public/platform/WebFeaturePolicy.h"
 #include "public/platform/WebInsecureRequestPolicy.h"
 #include "public/web/WebFrameLoadType.h"
 #include "public/web/WebTreeScopeType.h"
 
 namespace v8 {
-class Context;
 class Function;
 class Value;
 template <class T>
 class Local;
 }
 
 namespace blink {
 
 class Frame;
 class OpenedFrameTracker;
@@ skipping 215 matching lines @@
       WebVector<v8::Local<v8::Value>>* results) = 0;
 
   // Call the function with the given receiver and arguments, bypassing
   // canExecute().
   virtual v8::Local<v8::Value> CallFunctionEvenIfScriptDisabled(
       v8::Local<v8::Function>,
       v8::Local<v8::Value>,
       int argc,
       v8::Local<v8::Value> argv[]) = 0;
 
-  // Returns the V8 context for associated with the main world and this
-  // frame. There can be many V8 contexts associated with this frame, one for
-  // each isolated world and one for the main world. If you don't know what
-  // the "main world" or an "isolated world" is, then you probably shouldn't
-  // be calling this API.
-  virtual v8::Local<v8::Context> MainWorldScriptContext() const = 0;
-
   // Returns true if the WebFrame currently executing JavaScript has access
   // to the given WebFrame, or false otherwise.
   BLINK_EXPORT static bool ScriptCanAccess(WebFrame*);
 
   // Navigation ----------------------------------------------------------
   // TODO(clamy): Remove the reload, reloadWithOverrideURL, and loadRequest
   // functions once RenderFrame only calls WebLoadFrame::load.
 
   // Reload the current document.
   // Note: reload() and reloadWithOverrideURL() will be deprecated.
@@ skipping 158 matching lines @@
   WebFrame* first_child_;
   WebFrame* last_child_;
 
   WebFrame* opener_;
   std::unique_ptr<OpenedFrameTracker> opened_frame_tracker_;
 };
 
 }  // namespace blink
 
 #endif