Move enable extensions define to a build flag.

chrome/renderer/chrome_content_renderer_client.h

 // 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.
 
 #ifndef CHROME_RENDERER_CHROME_CONTENT_RENDERER_CLIENT_H_
 #define CHROME_RENDERER_CHROME_CONTENT_RENDERER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/strings/string16.h"
 #include "components/rappor/public/interfaces/rappor_recorder.mojom.h"
 #include "content/public/renderer/content_renderer_client.h"
+#include "extensions/features/features.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "printing/features/features.h"
 #include "v8/include/v8.h"
 
 #if defined (OS_CHROMEOS)
 #include "chrome/renderer/leak_detector/leak_detector_remote_client.h"
 #endif
 
 class ChromeRenderThreadObserver;
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
@@ skipping 161 matching lines @@
 #endif
 
 #if defined(ENABLE_PLUGINS)
   static blink::WebPlugin* CreatePlugin(
       content::RenderFrame* render_frame,
       blink::WebLocalFrame* frame,
       const blink::WebPluginParams& params,
       const ChromeViewHostMsg_GetPluginInfo_Output& output);
 #endif
 
-#if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
+#if defined(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_EXTENSIONS)
   static bool IsExtensionOrSharedModuleWhitelisted(
       const GURL& url, const std::set<std::string>& whitelist);
 #endif
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ChromeContentRendererClientTest, NaClRestriction);
   FRIEND_TEST_ALL_PREFIXES(ChromeContentRendererClientTest,
                            ShouldSuppressErrorPage);
 
   static GURL GetNaClContentHandlerURL(const std::string& actual_mime_type,
@@ skipping 40 matching lines @@
 #endif
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<LeakDetectorRemoteClient> leak_detector_remote_client_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentRendererClient);
 };
 
 #endif  // CHROME_RENDERER_CHROME_CONTENT_RENDERER_CLIENT_H_