Add interfaces for most major Blimp net components.

blimp/engine/browser/blimp_engine_session.h

Index: blimp/engine/browser/blimp_engine_session.h
diff --git a/blimp/engine/browser/blimp_engine_session.h b/blimp/engine/browser/blimp_engine_session.h
index 46b30391906c78d21510d6d00ec692158568521b..55192bcbbd6e6c65465df4d68195bda8e4d8acf2 100644
--- a/blimp/engine/browser/blimp_engine_session.h
+++ b/blimp/engine/browser/blimp_engine_session.h
@@ -7,8 +7,9 @@
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
-#include "blimp/net/blimp_message_receiver.h"
+#include "blimp/net/blimp_message_processor.h"
 #include "content/public/browser/web_contents_delegate.h"
+#include "net/base/net_errors.h"

[Wez, 2015/11/12 03:45:56]

Why are you including this?

[Kevin M, 2015/11/12 19:03:47]

Done.

 #include "ui/gfx/geometry/size.h"
 
 namespace aura {
@@ -42,7 +43,7 @@ class BlimpScreen;
 class BlimpUiContextFactory;
 class BlimpWindowTreeHost;
 
-class BlimpEngineSession : public BlimpMessageReceiver,
+class BlimpEngineSession : public BlimpMessageProcessor,
                            public content::WebContentsDelegate {
  public:
   explicit BlimpEngineSession(scoped_ptr<BlimpBrowserContext> browser_context);
@@ -52,9 +53,10 @@ class BlimpEngineSession : public BlimpMessageReceiver,
 
   BlimpBrowserContext* browser_context() { return browser_context_.get(); }
 
-  // BlimpMessageReceiver implementation.
-  // TODO(haibinlu): Remove this in favor of the BlimpMessageDispatcher.
-  net::Error OnBlimpMessage(const BlimpMessage& message) override;
+  // BlimpMessageProcessor implementation.
+  // TODO(haibinlu): Delete this and move to BlimpMessageDemultiplexer.
+  void ProcessMessage(const BlimpMessage& message,
+                      const net::CompletionCallback& callback) override;

[Wez, 2015/11/12 03:45:56]

include net/completion_callback for this, or forward-declare it?

[Kevin M, 2015/11/12 19:03:47]

Done.

 
  private:
   // Creates a new WebContents, which will be indexed by |target_tab_id|.