Remove ChromeV8Extension & most of ChromeV8Context

chrome/renderer/pepper/pepper_extensions_common_host.cc

 // Copyright (c) 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 "chrome/renderer/pepper/pepper_extensions_common_host.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
@@ skipping 45 matching lines @@
   if (!dispatcher)
     return NULL;
   blink::WebPluginContainer* container =
       host->GetContainerForInstance(instance);
   if (!container)
     return NULL;
   blink::WebFrame* frame = container->element().document().frame();
   if (!frame)
     return NULL;
   v8::HandleScope scope(v8::Isolate::GetCurrent());
+  // TODO(rockot): Remove this downcast. See http://crbug.com/362616.
   extensions::ChromeV8Context* context =
-      dispatcher->v8_context_set().GetByV8Context(
-          frame->mainWorldScriptContext());
+      static_cast<extensions::ChromeV8Context*>(
+          dispatcher->script_context_set().GetByV8Context(
+              frame->mainWorldScriptContext()));
   if (!context)
     return NULL;
 
   return new PepperExtensionsCommonHost(
       host, instance, resource, context->pepper_request_proxy());
 }
 
 int32_t PepperExtensionsCommonHost::OnResourceMessageReceived(
     const IPC::Message& msg,
     ppapi::host::HostMessageContext* context) {
@@ skipping 30 matching lines @@
   std::string error;
   bool success = pepper_request_proxy_->StartRequest(
       base::Bind(&PepperExtensionsCommonHost::OnResponseReceived,
                  weak_factory_.GetWeakPtr(),
                  context->MakeReplyMessageContext()),
       request_name,
       args,
       &error);
   return success ? PP_OK_COMPLETIONPENDING : PP_ERROR_FAILED;
 }