Send navigation_start to the browser in DidStartProvisionalLoad IPC

content/browser/frame_host/navigator_impl.h

Index: content/browser/frame_host/navigator_impl.h
diff --git a/content/browser/frame_host/navigator_impl.h b/content/browser/frame_host/navigator_impl.h
index 8b52dfb5adc08c64fb66bb532d7cd85cb7d4b153..775b16f57737744100246f9ffde4630fda4f9a75 100644
--- a/content/browser/frame_host/navigator_impl.h
+++ b/content/browser/frame_host/navigator_impl.h
@@ -36,8 +36,10 @@ class CONTENT_EXPORT NavigatorImpl : public Navigator {
   // Navigator implementation.
   NavigatorDelegate* GetDelegate() override;
   NavigationController* GetController() override;
-  void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
-                               const GURL& url) override;
+  void DidStartProvisionalLoad(
+      RenderFrameHostImpl* render_frame_host,
+      const GURL& url,
+      const base::TimeTicks& navigation_start) override;
   void DidFailProvisionalLoadWithError(
       RenderFrameHostImpl* render_frame_host,
       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)