Implementation and fixes for Blimp client/engine E2E communication.

blimp/client/session/blimp_client_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_CLIENT_SESSION_BLIMP_CLIENT_SESSION_H_
 #define BLIMP_CLIENT_SESSION_BLIMP_CLIENT_SESSION_H_
 
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/threading/thread.h"
 #include "blimp/client/blimp_client_export.h"
+#include "blimp/common/proto/blimp_message.pb.h"
+#include "blimp/net/blimp_message_processor.h"
 
 namespace blimp {
 
 class BrowserConnectionHandler;
+class ClientConnectionManager;
+class ClientNetworkComponents;
 class NavigationFeature;
 class RenderWidgetFeature;
 class TabControlFeature;
 
 // BlimpClientSession represents a single active session of Blimp on the client
 // regardless of whether or not the client application is in the background or
 // foreground.  The only time this session is invalid is during initialization
 // and shutdown of this particular client process (or Activity on Android).
 //
 // This session glues together the feature proxy components and the network
 // layer.  The network components must be interacted with on the IO thread.  The
 // feature proxies must be interacted with on the UI thread.
 class BLIMP_CLIENT_EXPORT BlimpClientSession {
  public:
   BlimpClientSession();
 
   TabControlFeature* GetTabControlFeature() const;
   NavigationFeature* GetNavigationFeature() const;
   RenderWidgetFeature* GetRenderWidgetFeature() const;
 
+  // Tells |connection_manager_| to start connecting to the remote host.
+  // Must be called on the IO thread.
+  void Connect();
+
  protected:
   virtual ~BlimpClientSession();
 
+  ClientConnectionManager* GetConnectionManager() const;

[haibinlu, 2016/01/04 19:45:45]

why expose connection manager?

[Kevin M, 2016/01/04 20:42:12]

Not needed anymore, removed.

+
  private:
-  // The BrowserConnectionHandler is here so that the BlimpClientSession can
-  // glue the feature-specific handlers to the actual network connection.
-  scoped_ptr<BrowserConnectionHandler> connection_handler_;
-
+  base::Thread io_thread_;
   scoped_ptr<TabControlFeature> tab_control_feature_;
   scoped_ptr<NavigationFeature> navigation_feature_;
   scoped_ptr<RenderWidgetFeature> render_widget_feature_;
 
+  // Container struct for network components.
+  // Must be deleted on the IO thread.
+  scoped_ptr<ClientNetworkComponents> network_components_;
+
   DISALLOW_COPY_AND_ASSIGN(BlimpClientSession);
 };
 
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_SESSION_BLIMP_CLIENT_SESSION_H_