Added a debug info UI for Blimp

blimp/client/feature/navigation_feature.cc

Index: blimp/client/feature/navigation_feature.cc
diff --git a/blimp/client/feature/navigation_feature.cc b/blimp/client/feature/navigation_feature.cc
index 34922363c31c9f7ba0b82d393e55fdf79b318457..87cacbdf8090eb1892ea1c1b5b1f275a2c92f715 100644
--- a/blimp/client/feature/navigation_feature.cc
+++ b/blimp/client/feature/navigation_feature.cc
@@ -19,7 +19,10 @@
 namespace blimp {
 namespace client {
 
-NavigationFeature::NavigationFeature() {}
+NavigationFeature::NavigationFeature(BlimpConnectionDetails* details)
+    : connection_details_(details) {
+  DCHECK(connection_details_);
+}
 
 NavigationFeature::~NavigationFeature() {}
 
@@ -64,6 +67,7 @@ void NavigationFeature::NavigateToUrlText(int tab_id,
       CreateBlimpMessage(&navigation_message, tab_id);
   navigation_message->set_type(NavigationMessage::LOAD_URL);
   navigation_message->mutable_load_url()->set_url(url.spec());
+  connection_details_->ResetStats();
   outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
                                               net::CompletionCallback());
 }
@@ -74,6 +78,7 @@ void NavigationFeature::Reload(int tab_id) {
       CreateBlimpMessage(&navigation_message, tab_id);
   navigation_message->set_type(NavigationMessage::RELOAD);
 
+  connection_details_->ResetStats();
   outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
                                               net::CompletionCallback());
 }
@@ -84,6 +89,7 @@ void NavigationFeature::GoForward(int tab_id) {
       CreateBlimpMessage(&navigation_message, tab_id);
   navigation_message->set_type(NavigationMessage::GO_FORWARD);
 
+  connection_details_->ResetStats();
   outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
                                               net::CompletionCallback());
 }
@@ -94,6 +100,7 @@ void NavigationFeature::GoBack(int tab_id) {
       CreateBlimpMessage(&navigation_message, tab_id);
   navigation_message->set_type(NavigationMessage::GO_BACK);
 
+  connection_details_->ResetStats();
   outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
                                               net::CompletionCallback());
 }
@@ -114,8 +121,10 @@ void NavigationFeature::ProcessMessage(
     case NavigationMessage::NAVIGATION_STATE_CHANGED: {
       const NavigationStateChangeMessage& details =
           navigation_message.navigation_state_changed();
-      if (details.has_url())
+      if (details.has_url()) {
         delegate->OnUrlChanged(tab_id, GURL(details.url()));
+        connection_details_->ResetStats();
+      }
 
       if (details.has_title())
         delegate->OnTitleChanged(tab_id, details.title());