Reland of Call EnsureWebKitInitialized() before registering extensions

chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 1342 matching lines @@
   return true;
 }
 
 #if defined(ENABLE_EXTENSIONS)
 void ChromeContentRendererClient::SetExtensionDispatcherForTest(
     extensions::Dispatcher* extension_dispatcher) {
   extension_dispatcher_.reset(extension_dispatcher);
   permissions_policy_delegate_.reset(
       new extensions::RendererPermissionsPolicyDelegate(
           extension_dispatcher_.get()));
+  RenderThread::Get()->RegisterExtension(
+      extensions::SafeBuiltins::CreateV8Extension());
 }
 
 extensions::Dispatcher*
 ChromeContentRendererClient::GetExtensionDispatcherForTest() {
   return extension_dispatcher_.get();
 }
 
 bool ChromeContentRendererClient::CrossesExtensionExtents(
     blink::WebLocalFrame* frame,
     const GURL& new_url,
@@ skipping 251 matching lines @@
   WebString header_key(ASCIIToUTF16(
       data_reduction_proxy::chrome_proxy_header()));
   if (!response.httpHeaderField(header_key).isNull() &&
       response.httpHeaderField(header_key).utf8().find(
           data_reduction_proxy::chrome_proxy_lo_fi_directive()) !=
               std::string::npos) {
     (*properties)[data_reduction_proxy::chrome_proxy_header()] =
         data_reduction_proxy::chrome_proxy_lo_fi_directive();
   }
 }