Adding the Copresence RpcHandler and HttpPost helper.

components/copresence/handlers/directive_handler.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_HANDLERS_DIRECTIVE_HANDLER_
-#define COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_
+#ifndef COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_
+#define COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/copresence/handlers/audio/audio_directive_list.h"
 #include "components/copresence/mediums/audio/audio_recorder.h"
 
 namespace copresence {
 
 class AudioDirectiveHandler;
 class Directive;
 
-// The directive handler manages transmit and receive directives given to it
-// by the client.
+// The directive handler manages transmit and receive directives
+// given to it by the client.
 class DirectiveHandler {
  public:
-  DirectiveHandler(const AudioRecorder::DecodeSamplesCallback& decode_cb,
-                   const AudioDirectiveList::EncodeTokenCallback& encode_cb);
-  ~DirectiveHandler();
+  DirectiveHandler();
+  virtual ~DirectiveHandler();
+
+  // Initialize the |audio_handler_| with the appropriate callbacks.
+  // This function must be called before any others.
+  virtual void Initialize(
+      const AudioRecorder::DecodeSamplesCallback& decode_cb,
+      const AudioDirectiveList::EncodeTokenCallback& encode_cb);
 
   // Adds a directive to handle.
-  void AddDirective(const copresence::Directive& directive);
+  virtual void AddDirective(const copresence::Directive& directive);
   // Removes any directives associated with the given operation id.
-  void RemoveDirectives(const std::string& op_id);
+  virtual void RemoveDirectives(const std::string& op_id);
 
  private:
   scoped_ptr<AudioDirectiveHandler> audio_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectiveHandler);
 };
 
 }  // namespace copresence
 
-#endif  // COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_
+#endif  // COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_