Add stats collection for telemetry startup.warm.blank_page test.

components/html_viewer/html_document_oopif.cc

 // Copyright 2014 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 "components/html_viewer/html_document_oopif.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
@@ skipping 114 matching lines @@
       view->viewport_metrics().size_in_pixels.To<gfx::Size>(),
       view->viewport_metrics().device_pixel_ratio);
 
   view->RemoveObserver(this);
 
   WebURLRequestExtraData* extra_data = new WebURLRequestExtraData;
   extra_data->synthetic_response =
       resource_waiter_->ReleaseURLResponse().Pass();
 
   frame_ = HTMLFrameTreeManager::CreateFrameAndAttachToTree(
-      global_state_, html_document_app_, view, resource_waiter_.Pass(), this);
+      global_state_, view, resource_waiter_.Pass(), this);

[yzshen1, 2015/08/17 05:46:38]

Is it included in this patch unintentionally?

[msw, 2015/08/17 21:25:50]

No, this param is unused, so I'm removing it. I was going to use it at first,
then I realized it was redundant. |this| is passed as the HTMLFrameDelegate arg,
and |html_document_app_| is returned in the  HTMLFrameDelegate::GetApp override.

 
   // TODO(yzshen): http://crbug.com/498986 Creating DevToolsAgentImpl instances
   // causes html_viewer_apptests flakiness currently. Before we fix that we
   // cannot enable remote debugging (which is required by Telemetry tests) on
   // the bots.
   if (EnableRemoteDebugging() && !frame_->parent()) {
     devtools_agent_.reset(new DevToolsAgentImpl(
         frame_->web_frame()->toWebLocalFrame(), html_document_app_->shell()));
   }
 
@@ skipping 99 matching lines @@
     mojo::ApplicationConnection* connection,
     mojo::InterfaceRequest<mandoline::FrameTreeClient> request) {
   if (frame_) {
     DVLOG(1) << "Request for FrameTreeClient after one already vended.";
     return;
   }
   resource_waiter_->Bind(request.Pass());
 }
 
 }  // namespace html_viewer