PlzNavigate: track pending commits

content/browser/frame_host/navigator_impl.cc

 // Copyright 2013 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.
 
 #include "content/browser/frame_host/navigator_impl.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 683 matching lines @@
   if (response && response->head.headers.get() &&
       (response->head.headers->response_code() == 204 ||
        response->head.headers->response_code() == 205)) {
     CancelNavigation(frame_tree_node);
     return;
   }
 
   // Select an appropriate renderer to commit the navigation.
   RenderFrameHostImpl* render_frame_host =
       frame_tree_node->render_manager()->GetFrameHostForNavigation(
-          *navigation_request);
+          *navigation_request, true);
 
   // The renderer can exit view source mode when any error or cancellation
   // happen. When reusing the same renderer, overwrite to recover the mode.
   if (navigation_request->is_view_source() &&
       render_frame_host ==
           frame_tree_node->render_manager()->current_frame_host()) {
     DCHECK(!render_frame_host->GetParent());
     render_frame_host->render_view_host()->Send(
         new ViewMsg_EnableViewSourceMode(
             render_frame_host->render_view_host()->GetRoutingID()));
@@ skipping 176 matching lines @@
         "Navigation.TimeToCommit_ExistingRenderer_BeforeUnloadDiscounted",
         time_to_commit);
     UMA_HISTOGRAM_TIMES(
         "Navigation.TimeToURLJobStart_ExistingRenderer_BeforeUnloadDiscounted",
         time_to_network);
   }
   navigation_data_.reset();
 }
 
 }  // namespace content