Add IPC messages to transfer compositor protos

blimp/engine/browser/blimp_engine_session.h

 // Copyright 2015 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 BLIMP_ENGINE_BROWSER_BLIMP_ENGINE_SESSION_H_
 #define BLIMP_ENGINE_BROWSER_BLIMP_ENGINE_SESSION_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "blimp/net/blimp_message_processor.h"
@@ skipping 68 matching lines @@
                       content::WebContents* new_contents,
                       WindowOpenDisposition disposition,
                       const gfx::Rect& initial_rect,
                       bool user_gesture,
                       bool* was_blocked) override;
   void RequestToLockMouse(content::WebContents* web_contents,
                           bool user_gesture,
                           bool last_unlocked_by_target) override;
   void CloseContents(content::WebContents* source) override;
   void ActivateContents(content::WebContents* contents) override;
+  void ForwardCompositorProto(const std::vector<uint8_t>& proto) override;
 
   // Sets up and owns |new_contents|.
   void PlatformSetContents(scoped_ptr<content::WebContents> new_contents);
 
   scoped_ptr<BlimpBrowserContext> browser_context_;
   scoped_ptr<BlimpScreen> screen_;
 
   // Context factory for compositor.
   scoped_ptr<BlimpUiContextFactory> context_factory_;
 
@@ skipping 14 matching lines @@
   // Currently attached client connection.
   scoped_ptr<BlimpConnection> client_connection_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpEngineSession);
 };
 
 }  // namespace engine
 }  // namespace blimp
 
 #endif  // BLIMP_ENGINE_BROWSER_BLIMP_ENGINE_SESSION_H_