Revert "Remove webkit_glue::BuildUserAgent(), change the contract in webkit_glue"

content/shell/shell_content_client.h

 // Copyright (c) 2011 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 CONTENT_SHELL_SHELL_CONTENT_CLIENT_H_
 #define CONTENT_SHELL_SHELL_CONTENT_CLIENT_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "content/common/content_client.h"
 
 namespace content {
 
 class ShellContentClient : public ContentClient {
  public:
   virtual ~ShellContentClient();
 
   virtual void SetActiveURL(const GURL& url) OVERRIDE;
   virtual void SetGpuInfo(const GPUInfo& gpu_info) OVERRIDE;
   virtual void AddPepperPlugins(
       std::vector<PepperPluginInfo>* plugins) OVERRIDE;
   virtual bool CanSendWhileSwappedOut(const IPC::Message* msg) OVERRIDE;
   virtual bool CanHandleWhileSwappedOut(const IPC::Message& msg) OVERRIDE;
-  virtual std::string GetUserAgent(bool* overriding) const OVERRIDE;
+  virtual std::string GetUserAgent(bool mimic_windows) const OVERRIDE;
   virtual string16 GetLocalizedString(int message_id) const OVERRIDE;
   virtual base::StringPiece GetDataResource(int resource_id) const OVERRIDE;
 
 #if defined(OS_WIN)
   virtual bool SandboxPlugin(CommandLine* command_line,
                              sandbox::TargetPolicy* policy) OVERRIDE;
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_CONTENT_CLIENT_H_