Convert the async device ID getter to a chrome resource host

chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.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 CONTENT_BROWSER_PEPPER_CONTENT_BROWSER_PEPPER_HOST_FACTORY_H_
-#define CONTENT_BROWSER_PEPPER_CONTENT_BROWSER_PEPPER_HOST_FACTORY_H_
+#ifndef CHROME_BROWSER_RENDERER_HOST_PEPPER_CHROME_BROWSER_PEPPER_HOST_FACTORY_H_
+#define CHROME_BROWSER_RENDERER_HOST_PEPPER_CHROME_BROWSER_PEPPER_HOST_FACTORY_H_
 
 #include "base/compiler_specific.h"
 #include "ppapi/host/host_factory.h"
 
 namespace content {
+class BrowserPpapiHost;
+}  // namespace content
 
-class BrowserPpapiHostImpl;
+namespace chrome {
 
-class ContentBrowserPepperHostFactory : public ppapi::host::HostFactory {
+class ChromeBrowserPepperHostFactory : public ppapi::host::HostFactory {
  public:
   // Non-owning pointer to the filter must outlive this class.
-  explicit ContentBrowserPepperHostFactory(BrowserPpapiHostImpl* host);
-  virtual ~ContentBrowserPepperHostFactory();
+  explicit ChromeBrowserPepperHostFactory(content::BrowserPpapiHost* host);
+  virtual ~ChromeBrowserPepperHostFactory();
 
   virtual scoped_ptr<ppapi::host::ResourceHost> CreateResourceHost(
       ppapi::host::PpapiHost* host,
       const ppapi::proxy::ResourceMessageCallParams& params,
       PP_Instance instance,
       const IPC::Message& message) OVERRIDE;
 
  private:
   // Non-owning pointer.
-  BrowserPpapiHostImpl* host_;
+  content::BrowserPpapiHost* host_;
 
-  DISALLOW_COPY_AND_ASSIGN(ContentBrowserPepperHostFactory);
+  DISALLOW_COPY_AND_ASSIGN(ChromeBrowserPepperHostFactory);
 };
 
-}  // namespace content
+}  // namespace chrome
 
-#endif  // CONTENT_BROWSER_PEPPER_CONTENT_BROWSER_PEPPER_HOST_FACTORY_H_
+#endif  // CHROME_BROWSER_RENDERER_HOST_PEPPER_CHROME_BROWSER_PEPPER_HOST_FACTORY_H_