Correctly record and pass around navigation start time.

components/html_viewer/html_frame.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 COMPONENTS_HTML_VIEWER_HTML_FRAME_H_
 #define COMPONENTS_HTML_VIEWER_HTML_FRAME_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
 #include "cc/layers/surface_layer.h"
 #include "components/html_viewer/html_frame_tree_manager.h"
 #include "components/html_viewer/replicated_frame_state.h"
 #include "components/mus/public/cpp/view_observer.h"
 #include "components/web_view/public/interfaces/frame.mojom.h"
 #include "mojo/services/tracing/public/interfaces/tracing.mojom.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebFrameClient.h"
 #include "third_party/WebKit/public/web/WebRemoteFrameClient.h"
 #include "third_party/WebKit/public/web/WebSandboxFlags.h"
@@ skipping 118 matching lines @@
   // Returns null if the browser side didn't request to setup an agent in this
   // frame.
   DevToolsAgentImpl* devtools_agent() { return devtools_agent_.get(); }
 
   // Returns true if the Frame is local, false if remote.
   bool IsLocal() const;
 
   // Returns true if this or one of the frames descendants is local.
   bool HasLocalDescendant() const;
 
-  void LoadRequest(const blink::WebURLRequest& request);
+  void LoadRequest(const blink::WebURLRequest& request,
+                   base::TimeTicks navigation_start_time);
 
  protected:
   virtual ~HTMLFrame();
 
   // WebFrameClient methods:
   virtual blink::WebMediaPlayer* createMediaPlayer(
       blink::WebLocalFrame* frame,
       const blink::WebURL& url,
       blink::WebMediaPlayerClient* client,
       blink::WebMediaPlayerEncryptedMediaClient* encrypted_client,
@@ skipping 108 matching lines @@
   void OnViewInputEvent(mus::View* view, const mojo::EventPtr& event) override;
   void OnViewFocusChanged(mus::View* gained_focus,
                           mus::View* lost_focus) override;
 
   // web_view::mojom::FrameClient:
   void OnConnect(web_view::mojom::FramePtr server,
                  uint32_t change_id,
                  uint32_t view_id,
                  web_view::mojom::ViewConnectType view_connect_type,
                  mojo::Array<web_view::mojom::FrameDataPtr> frame_data,
+                 int64_t navigation_start_time_ticks,
                  const OnConnectCallback& callback) override;
   void OnFrameAdded(uint32_t change_id,
                     web_view::mojom::FrameDataPtr frame_data) override;
   void OnFrameRemoved(uint32_t change_id, uint32_t frame_id) override;
   void OnFrameClientPropertyChanged(uint32_t frame_id,
                                     const mojo::String& name,
                                     mojo::Array<uint8_t> new_value) override;
   void OnPostMessageEvent(
       uint32_t source_frame_id,
       uint32_t target_frame_id,
@@ skipping 65 matching lines @@
   // This object is only valid in the context of performance tests.
   tracing::StartupPerformanceDataCollectorPtr
       startup_performance_data_collector_;
 
   scoped_ptr<DevToolsAgentImpl> devtools_agent_;
 
   // A navigation request has been sent to the frame server side, and we haven't
   // received response to it.
   bool pending_navigation_;
 
+  base::TimeTicks navigation_start_time_;
+
   base::WeakPtrFactory<HTMLFrame> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HTMLFrame);
 };
 
 }  // namespace html_viewer
 
 #endif  // COMPONENTS_HTML_VIEWER_HTML_FRAME_H_