Convert the async device ID getter to a chrome resource host

content/public/browser/content_browser_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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 36 matching lines @@
 class URLRequestContext;
 class X509Certificate;
 }
 
 namespace content {
 
 class AccessTokenStore;
 class BrowserChildProcessHost;
 class BrowserContext;
 class BrowserMainParts;
+class BrowserPpapiHost;
 class BrowserURLHandler;
 class MediaObserver;
 class QuotaPermissionContext;
 class RenderProcessHost;
 class RenderViewHost;
 class RenderViewHostDelegateView;
 class ResourceContext;
 class SiteInstance;
 class SpeechInputManagerDelegate;
 class SpeechRecognitionManagerDelegate;
@@ skipping 360 matching lines @@
   virtual void ClearCookies(RenderViewHost* rvh) {}
 
   // Returns the default download directory.
   // This can be called on any thread.
   virtual FilePath GetDefaultDownloadDirectory();
 
   // Returns the default filename used in downloads when we have no idea what
   // else we should do with the file.
   virtual std::string GetDefaultDownloadName();
 
+  // Notifification that a pepper plugin has just been spawned. This allows the

[jam, 2012/09/10 16:22:21]

nit: Notification

+  // embedder to add filters onto the host to implement interfaces.
+  // This is called on the IO thread.
+  virtual void DidCreatePpapiPlugin(BrowserPpapiHost* browser_host) {}
+
   // Returns true if renderer processes can use Pepper TCP/UDP sockets from
   // the given origin.
   virtual bool AllowPepperSocketAPI(BrowserContext* browser_context,
                                     const GURL& url);
 
   // Returns true if renderer processes can use private Pepper File APIs.
   virtual bool AllowPepperPrivateFileAPI();
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   // Populates |mappings| with all files that need to be mapped before launching
@@ skipping 13 matching lines @@
   // This is called on a worker thread.
   virtual
       crypto::CryptoModuleBlockingPasswordDelegate* GetCryptoPasswordDelegate(
           const GURL& url);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_