Add polling and audio check to copresence.

chrome/browser/extensions/api/copresence/copresence_api.h

 // Copyright 2014 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 CHROME_BROWSER_EXTENSIONS_API_COPRESENCE_COPRESENCE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_COPRESENCE_COPRESENCE_API_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 45 matching lines @@
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<CopresenceService>* GetFactoryInstance();
 
  private:
   friend class BrowserContextKeyedAPIFactory<CopresenceService>;
 
   // CopresenceDelegate implementation
   void HandleMessages(const std::string& app_id,
                       const std::string& subscription_id,
                       const std::vector<copresence::Message>& message) override;
+  void HandleStatusUpdate(copresence::CopresenceStatus status) override;
   net::URLRequestContextGetter* GetRequestContext() const override;
   const std::string GetPlatformVersionString() const override;
   const std::string GetAPIKey(const std::string& app_id) const override;
   const std::string GetAuthToken() const override;
   copresence::WhispernetClient* GetWhispernetClient() override;
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() { return "CopresenceService"; }
 
   bool is_shutting_down_;
@@ skipping 43 matching lines @@
                              COPRESENCE_SETAUTHTOKEN);
 
  protected:
   virtual ~CopresenceSetAuthTokenFunction() {}
   virtual ExtensionFunction::ResponseAction Run() override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_COPRESENCE_COPRESENCE_API_H_