Revert accidental dartium code push

chrome/common/chrome_content_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/common/chrome_content_client.h"
 
 #include "base/command_line.h"
 #include "base/cpu.h"
 #include "base/debug/crash_logging.h"
 #include "base/file_util.h"
@@ skipping 486 matching lines @@
   // CanSendWhileSwappedOut) that must be handled by the browser when sent from
   // swapped out renderers.
   return false;
 }
 
 std::string ChromeContentClient::GetProduct() const {
   return ::GetProduct();
 }
 
 std::string ChromeContentClient::GetUserAgent() const {
-  std::string product = GetProduct();
-  product += " (Dart)";
-#if defined(OS_ANDROID)
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kUseMobileUserAgent))
-    product += " Mobile";
-#endif
-  return webkit_glue::BuildUserAgentFromProduct(product);
+  return ::GetUserAgent();
 }
 
 base::string16 ChromeContentClient::GetLocalizedString(int message_id) const {
   return l10n_util::GetStringUTF16(message_id);
 }
 
 base::StringPiece ChromeContentClient::GetDataResource(
     int resource_id,
     ui::ScaleFactor scale_factor) const {
   return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
@@ skipping 30 matching lines @@
     *sandbox_profile_resource_id = IDR_NACL_SANDBOX_PROFILE;
     return true;
   }
   return false;
 }
 
 std::string ChromeContentClient::GetCarbonInterposePath() const {
   return std::string(kInterposeLibraryPath);
 }
 #endif