(DEPRECATED) Send navigation_start to browser process in DidStartProvisionalLoad

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 06a15f8a1ac0929f4dfc7b34f907215a22e32675..40f32742de8053b3817a08178b48d59b351df221 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -791,9 +791,10 @@ void RenderFrameHostImpl::OnDocumentOnLoadCompleted(
   delegate_->DocumentOnLoadCompleted(this);
 }
 
-void RenderFrameHostImpl::OnDidStartProvisionalLoadForFrame(const GURL& url) {
+void RenderFrameHostImpl::OnDidStartProvisionalLoadForFrame(
+    const GURL& url, double navigation_start) {
   frame_tree_node_->navigator()->DidStartProvisionalLoad(
-      this, url);
+      this, url, navigation_start);
 }
 
 void RenderFrameHostImpl::OnDidFailProvisionalLoadWithError(
@@ -932,8 +933,10 @@ void RenderFrameHostImpl::OnDidCommitProvisionalLoad(const IPC::Message& msg) {
   // DidCommitProvisionalLoad IPC without a prior DidStartProvisionalLoad
   // message.
   if (!navigation_handle_) {
+    double navigation_start_seconds =
+        (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
     navigation_handle_ = NavigationHandleImpl::Create(
-        validated_params.url, frame_tree_node_);
+        validated_params.url, frame_tree_node_, navigation_start_seconds);
   }
 
   accessibility_reset_count_ = 0;