Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

content/renderer/gpu/gpu_benchmarking_extension.cc

 // Copyright (c) 2012 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 "content/renderer/gpu/gpu_benchmarking_extension.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 526 matching lines @@
                << logging::SystemErrorCodeToString(hr);
   }
   return SkDocument::MakeXPS(s, factory.Get());
 }
 #endif
 }  // namespace
 
 gin::WrapperInfo GpuBenchmarking::kWrapperInfo = {gin::kEmbedderNativeGin};
 
 // static
-void GpuBenchmarking::Install(blink::WebFrame* frame) {
+void GpuBenchmarking::Install(blink::WebLocalFrame* frame) {
   v8::Isolate* isolate = blink::MainThreadIsolate();
   v8::HandleScope handle_scope(isolate);
   v8::Local<v8::Context> context = frame->MainWorldScriptContext();
   if (context.IsEmpty())
     return;
 
   v8::Context::Scope context_scope(context);
 
   gin::Handle<GpuBenchmarking> controller =
       gin::CreateHandle(isolate, new GpuBenchmarking());
@@ skipping 575 matching lines @@
           &gpu_driver_bug_workarounds))) {
     return;
   }
 
   v8::Local<v8::Value> result;
   if (gin::TryConvertToV8(args->isolate(), gpu_driver_bug_workarounds, &result))
     args->Return(result);
 }
 
 }  // namespace content