(DEPRECATED) Send navigation_start to browser process in DidStartProvisionalLoad

content/browser/frame_host/navigation_handle_impl.cc

Index: content/browser/frame_host/navigation_handle_impl.cc
diff --git a/content/browser/frame_host/navigation_handle_impl.cc b/content/browser/frame_host/navigation_handle_impl.cc
index 2e30d1ed3be8f0c9f5b28d401e3233dc98a36262..d1eb61a4c6310ee9ede1694db154ab3627305e2d 100644
--- a/content/browser/frame_host/navigation_handle_impl.cc
+++ b/content/browser/frame_host/navigation_handle_impl.cc
@@ -33,13 +33,15 @@ void UpdateThrottleCheckResult(
 // static
 scoped_ptr<NavigationHandleImpl> NavigationHandleImpl::Create(
     const GURL& url,
-    FrameTreeNode* frame_tree_node) {
+    FrameTreeNode* frame_tree_node,
+    double navigation_start) {
   return scoped_ptr<NavigationHandleImpl>(
-      new NavigationHandleImpl(url, frame_tree_node));
+      new NavigationHandleImpl(url, frame_tree_node, navigation_start));
 }
 
 NavigationHandleImpl::NavigationHandleImpl(const GURL& url,
-                                           FrameTreeNode* frame_tree_node)
+                                           FrameTreeNode* frame_tree_node,
+                                           double navigation_start)
     : url_(url),
       is_post_(false),
       has_user_gesture_(false),
@@ -51,7 +53,8 @@ NavigationHandleImpl::NavigationHandleImpl(const GURL& url,
       state_(INITIAL),
       is_transferring_(false),
       frame_tree_node_(frame_tree_node),
-      next_index_(0) {
+      next_index_(0),
+      navigation_start_(navigation_start) {
   // PlzNavigate
   // Initialize the ServiceWorkerNavigationHandle if it can be created for this
   // frame.
@@ -94,6 +97,10 @@ bool NavigationHandleImpl::IsInMainFrame() {
   return frame_tree_node_->IsMainFrame();
 }
 
+double NavigationHandleImpl::GetNavigationStart() {
+  return navigation_start_;
+}
+
 bool NavigationHandleImpl::IsPost() {
   CHECK_NE(INITIAL, state_)
       << "This accessor should not be called before the request is started.";