Moving the DirectiveHandler to be owned by CopresenceManager.

components/copresence/public/copresence_delegate.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 COMPONENTS_COPRESENCE_PUBLIC_COPRESENCE_DELEGATE_H_
 #define COMPONENTS_COPRESENCE_PUBLIC_COPRESENCE_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 11 matching lines @@
 enum CopresenceStatus { SUCCESS, FAIL };
 
 // Callback type to send a status.
 typedef base::Callback<void(CopresenceStatus)> StatusCallback;
 
 // A delegate interface for users of Copresence.
 class CopresenceDelegate {
  public:
   virtual ~CopresenceDelegate() {}
 
-  // This method will be called when we have subscribed messages that need to
-  // be sent to their respective apps.
+  // This method will be called when we have subscribed messages
+  // that need to be sent to their respective apps.
   virtual void HandleMessages(
       const std::string& app_id,
       const std::string& subscription_id,
       const std::vector<Message>& message) = 0;
 
+  // Thw URLRequestContextGetter must outlive the CopresenceManager.
   virtual net::URLRequestContextGetter* GetRequestContext() const = 0;
 
   virtual const std::string GetPlatformVersionString() const = 0;
 
   virtual const std::string GetAPIKey(const std::string& app_id) const = 0;
   virtual const std::string GetAuthToken() const = 0;
 
+  // Thw WhispernetClient must outlive the CopresenceManager.
   virtual WhispernetClient* GetWhispernetClient() = 0;
 };
 
 }  // namespace copresence
 
 #endif  // COMPONENTS_COPRESENCE_PUBLIC_COPRESENCE_DELEGATE_H_