Adding the Copresence RpcHandler and HttpPost helper.

components/copresence/public/copresence_client_delegate.h

Index: components/copresence/public/copresence_client_delegate.h
diff --git a/components/copresence/public/copresence_client_delegate.h b/components/copresence/public/copresence_client_delegate.h
index 374eb96561a7f40c8fcec20477c08ba4c8ecf2a3..82b31eae047887253651fb39021db1b80ab967ee 100644
--- a/components/copresence/public/copresence_client_delegate.h
+++ b/components/copresence/public/copresence_client_delegate.h
@@ -1,14 +1,14 @@
 // 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.
+// 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_
+#ifndef COMPONENTS_COPRESENCE_PUBLIC_COPRESENCE_CLIENT_DELEGATE_H_
+#define COMPONENTS_COPRESENCE_PUBLIC_COPRESENCE_CLIENT_DELEGATE_H_
 
 #include <string>
+#include <vector>
 
 #include "base/callback_forward.h"
-#include "components/copresence/proto/rpcs.pb.h"
 
 namespace net {
 class URLRequestContextGetter;
@@ -16,9 +16,10 @@ class URLRequestContextGetter;
 
 namespace copresence {
 
+class Message;
 class WhispernetClient;
 
-enum CopresenceStatus { SUCCESS, FAIL };
+enum CopresenceStatus { SUCCESS, FAIL, NONE };
 
 // Callback type to send a status.
 typedef base::Callback<void(CopresenceStatus)> StatusCallback;
@@ -31,7 +32,7 @@ class CopresenceClientDelegate {
   virtual void HandleMessages(
       const std::string& app_id,
       const std::string& subscription_id,
-      const std::vector<copresence::Message>& message) = 0;
+      const std::vector<Message>& message) = 0;
 
   virtual net::URLRequestContextGetter* GetRequestContext() const = 0;
 
@@ -48,4 +49,4 @@ class CopresenceClientDelegate {
 
 }  // namespace copresence
 
-#endif  // COMPONENTS_COPRESENCE_PUBLIC_COPRESENCE_DELEGATE_H_
+#endif  // COMPONENTS_COPRESENCE_PUBLIC_COPRESENCE_CLIENT_DELEGATE_H_