Simplify the user agent code some more since after r255534 it's not affected by the site's URL.

content/renderer/renderer_webkitplatformsupport_impl.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/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/memory/shared_memory.h"
@@ skipping 894 matching lines @@
 //------------------------------------------------------------------------------
 
 void RendererWebKitPlatformSupportImpl::sampleGamepads(WebGamepads& gamepads) {
   if (g_test_gamepads == 0) {
     RenderThreadImpl::current()->SampleGamepads(&gamepads);
   } else {
     gamepads = g_test_gamepads.Get();
   }
 }
 
-blink::WebString RendererWebKitPlatformSupportImpl::userAgent(
-    const blink::WebURL& url) {
-  return WebKitPlatformSupportImpl::userAgent(url);
-}
-
 //------------------------------------------------------------------------------
 
 WebRTCPeerConnectionHandler*
 RendererWebKitPlatformSupportImpl::createRTCPeerConnectionHandler(
     WebRTCPeerConnectionHandlerClient* client) {
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
 
@@ skipping 215 matching lines @@
     return;
   QuotaDispatcher::ThreadSpecificInstance(
       thread_safe_sender_.get(),
       quota_message_filter_.get())->QueryStorageUsageAndQuota(
           storage_partition,
           static_cast<quota::StorageType>(type),
           QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
 }
 
 }  // namespace content