Added a debug info UI for Blimp

blimp/client/session/blimp_client_session.h

Index: blimp/client/session/blimp_client_session.h
diff --git a/blimp/client/session/blimp_client_session.h b/blimp/client/session/blimp_client_session.h
index 71b4d3d0cf6b953ea465672811788d050b10311a..86aa9f00f04f0aa402e0aee5bfab778887043b45 100644
--- a/blimp/client/session/blimp_client_session.h
+++ b/blimp/client/session/blimp_client_session.h
@@ -13,6 +13,7 @@
 #include "base/threading/thread.h"
 #include "blimp/client/session/assignment_source.h"
 #include "blimp/common/proto/blimp_message.pb.h"
+#include "blimp/net/blimp_connection_details.h"
 #include "blimp/net/blimp_message_processor.h"
 
 namespace net {
@@ -53,7 +54,8 @@ class NetworkEventObserver {
 // 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 BlimpClientSession : public NetworkEventObserver {
+class BlimpClientSession : public NetworkEventObserver,
+                           NetworkActivityObserver {

[Kevin M, 2016/05/10 23:54:24]

public NetworkActivityObserver

  public:
   explicit BlimpClientSession(const GURL& assigner_endpoint);
 
@@ -74,6 +76,8 @@ class BlimpClientSession : public NetworkEventObserver {
   // a connection to the engine.
   virtual void ConnectWithAssignment(AssignmentSource::Result result,
                                      const Assignment& assignment);
+  void OnPacketReceived(int bytes) override;
+  void OnPacketSent(int bytes) override;
 
  protected:
   ~BlimpClientSession() override;
@@ -91,6 +95,9 @@ class BlimpClientSession : public NetworkEventObserver {
   void OnDisconnected(int result) override;
 
   base::Thread io_thread_;
+
+  std::unique_ptr<BlimpConnectionDetails> blimp_connection_details_;
+
   std::unique_ptr<TabControlFeature> tab_control_feature_;
   std::unique_ptr<NavigationFeature> navigation_feature_;
   std::unique_ptr<ImeFeature> ime_feature_;