Incorporate BlobChannel into Blimp image encode/decode pipeline.

blimp/engine/session/blimp_engine_session.h

Index: blimp/engine/session/blimp_engine_session.h
diff --git a/blimp/engine/session/blimp_engine_session.h b/blimp/engine/session/blimp_engine_session.h
index efe50e455ec30fbed360844e9d8161fdc37087c5..06c221facaa7a60707974d60d50d7b013b097353 100644
--- a/blimp/engine/session/blimp_engine_session.h
+++ b/blimp/engine/session/blimp_engine_session.h
@@ -55,6 +55,9 @@ namespace blimp {
 class BlimpConnection;
 class BlimpMessage;
 class BlimpMessageThreadPipe;
+class BlobCache;
+class BlobChannelSender;
+class HeliumBlobSenderDelegate;
 class ThreadPipeManager;
 class SettingsManager;
 
@@ -89,6 +92,8 @@ class BlimpEngineSession
 
   BlimpBrowserContext* browser_context() { return browser_context_.get(); }
 
+  BlobChannelSender* blob_sender() { return blob_sender_.get(); }

[nyquist, 2016/05/24 00:05:41]

Nit: blob_channel_sender() or rename class here as well?

[Kevin M, 2016/05/27 22:35:31]

Done.

+
   // Gets Engine's listening port. Invokes callback with the allocated port.
   void GetEnginePortForTesting(const GetPortCallback& callback);
 
@@ -207,6 +212,9 @@ class BlimpEngineSession
   // including INPUT, COMPOSITOR and RENDER_WIDGET messages.
   EngineRenderWidgetFeature render_widget_feature_;
 
+  HeliumBlobSenderDelegate* blob_delegate_;

[Wez, 2016/05/21 01:08:05]

Add a comment to explain what this is for.

[Kevin M, 2016/05/27 22:35:31]

Done.

+  std::unique_ptr<BlobChannelSender> blob_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.