Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

extensions/renderer/runtime_custom_bindings.cc

 // 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.
 
 #include "extensions/renderer/runtime_custom_bindings.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 76 matching lines @@
       ExtensionFrameHelper::GetExtensionFrames(extension_id, browser_window_id,
                                                tab_id, view_type);
   v8::Local<v8::Context> v8_context = args.GetIsolate()->GetCurrentContext();
   v8::Local<v8::Array> v8_views = v8::Array::New(args.GetIsolate());
   int v8_index = 0;
   for (content::RenderFrame* frame : frames) {
     // We filter out iframes here. GetExtensionViews should only return the
     // main views, not any subframes. (Returning subframes can cause broken
     // behavior by treating an app window's iframe as its main frame, and maybe
     // other nastiness).
-    blink::WebFrame* web_frame = frame->GetWebFrame();
+    blink::WebLocalFrame* web_frame = frame->GetWebFrame();
     if (web_frame->Top() != web_frame)
       continue;
 
     if (!blink::WebFrame::ScriptCanAccess(web_frame))
       continue;
 
     v8::Local<v8::Context> context = web_frame->MainWorldScriptContext();
     if (!context.IsEmpty()) {
       v8::Local<v8::Value> window = context->Global();
       CHECK(!window.IsEmpty());
       v8::Maybe<bool> maybe =
           v8_views->CreateDataProperty(v8_context, v8_index++, window);
       CHECK(maybe.IsJust() && maybe.FromJust());
     }
   }
 
   args.GetReturnValue().Set(v8_views);
 }
 
 }  // namespace extensions