Refactors parts of gin:

mojo/apps/js/bindings/gl/context.cc

 // Copyright 2013 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 "mojo/apps/js/bindings/gl/context.h"
 
 #include <GLES2/gl2.h>
 
 #include "gin/arguments.h"
 #include "gin/array_buffer.h"
@@ skipping 152 matching lines @@
 }
 
 Context::~Context() {
   MojoGLES2DestroyContext(context_);
 }
 
 void Context::ContextLost() {
   if (!runner_)
     return;
   gin::Runner::Scope scope(runner_.get());
-  v8::Isolate* isolate = runner_->isolate();
+  v8::Isolate* isolate = runner_->GetContextHolder()->isolate();
 
   v8::Handle<v8::Function> callback = v8::Local<v8::Function>::New(
       isolate, context_lost_callback_);
 
   runner_->Call(callback, runner_->global(), 0, NULL);
 }
 
 void Context::ContextLostThunk(void* closure) {
   static_cast<Context*>(closure)->ContextLost();
 }
 
 }  // namespace gl
 }  // namespace js
 }  // namespace mojo