Incorporate BlobChannel into Blimp image encode/decode pipeline.

blimp/engine/session/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_SESSION_BLIMP_ENGINE_SESSION_H_
 #define BLIMP_ENGINE_SESSION_BLIMP_ENGINE_SESSION_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 36 matching lines @@
 
 namespace wm {
 class FocusController;
 }
 
 namespace blimp {
 
 class BlimpConnection;
 class BlimpMessage;
 class BlimpMessageThreadPipe;
+class BlobCache;
+class BlobChannelSender;
+class HeliumBlobSenderDelegate;
 class ThreadPipeManager;
 class SettingsManager;
 
 namespace engine {
 
 class BlimpBrowserContext;
 class BlimpEngineConfig;
 class BlimpFocusClient;
 class BlimpScreen;
 class BlimpWindowTreeHost;
@@ skipping 14 matching lines @@
                      SettingsManager* settings_manager);
   ~BlimpEngineSession() override;
 
   // Starts the network stack on the IO thread, and sets default placeholder
   // values for e.g. screen size pending real values being supplied by the
   // client.
   void Initialize();
 
   BlimpBrowserContext* browser_context() { return browser_context_.get(); }
 
+  BlobChannelSender* blob_channel_sender() {
+    return blob_channel_sender_.get();
+  }
+
   // Gets Engine's listening port. Invokes callback with the allocated port.
   void GetEnginePortForTesting(const GetPortCallback& callback);
 
   // BlimpMessageProcessor implementation.
   // This object handles incoming TAB_CONTROL and NAVIGATION messages directly.
   void ProcessMessage(std::unique_ptr<BlimpMessage> message,
                       const net::CompletionCallback& callback) override;
 
  private:
   // Creates ThreadPipeManager, registers features, and then starts to accept
@@ skipping 82 matching lines @@
   // Manages all global settings for the engine session.
   SettingsManager* settings_manager_;
 
   // Handles all incoming messages for type SETTINGS.
   EngineSettingsFeature settings_feature_;
 
   // Handles all incoming and outgoing messages related to RenderWidget,
   // including INPUT, COMPOSITOR and RENDER_WIDGET messages.
   EngineRenderWidgetFeature render_widget_feature_;
 
+  // Sends outgoing blob data as BlimpMessages.
+  HeliumBlobSenderDelegate* blob_delegate_;
+
+  // Receives image data from the renderer and sends it to the client via
+  // |blob_delegate_|.
+  std::unique_ptr<BlobChannelSender> blob_channel_sender_;
+
   // Container for connection manager, authentication handler, and
   // browser connection handler. The components run on the I/O thread, and
   // this object is destroyed there.
   std::unique_ptr<EngineNetworkComponents> net_components_;
 
   std::unique_ptr<ThreadPipeManager> thread_pipe_manager_;
 
   // Used to send TAB_CONTROL or NAVIGATION messages to client.
   std::unique_ptr<BlimpMessageProcessor> tab_control_message_sender_;
   std::unique_ptr<BlimpMessageProcessor> navigation_message_sender_;
 
   // TODO(haibinlu): Support more than one tab (crbug/547231)
   std::unique_ptr<Tab> tab_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpEngineSession);
 };
 
 }  // namespace engine
 }  // namespace blimp
 
 #endif  // BLIMP_ENGINE_SESSION_BLIMP_ENGINE_SESSION_H_