Add support for tracking loading behavior of child frames.

chrome/browser/page_load_metrics/metrics_web_contents_observer_unittest.cc

 // Copyright 2015 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 "chrome/browser/page_load_metrics/metrics_web_contents_observer.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 261 matching lines @@
   subframe_tester->SimulateNavigationCommit(GURL(kDefaultTestUrl2));
   SimulateTimingUpdate(timing, subframe);
   subframe_tester->SimulateNavigationStop();
 
   // Navigate again to see if the timing updated for a subframe message.
   web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2));
 
   ASSERT_EQ(0, CountUpdatedTimingReported());
   ASSERT_EQ(1, CountCompleteTimingReported());
   ASSERT_EQ(1, CountEmptyCompleteTimingReported());
-  CheckErrorEvent(ERR_IPC_FROM_WRONG_FRAME, 1);
+  CheckErrorEvent(ERR_TIMING_IPC_FROM_SUBFRAME, 1);
   CheckErrorEvent(ERR_NO_IPCS_RECEIVED, 1);
   CheckTotalErrorEvents();
 }
 
 TEST_F(MetricsWebContentsObserverTest, SamePageNoTrigger) {
   PageLoadTiming timing;
   timing.navigation_start = base::Time::FromDoubleT(1);
 
   content::WebContentsTester* web_contents_tester =
       content::WebContentsTester::For(web_contents());
@@ skipping 68 matching lines @@
 
   content::RenderFrameHostTester* rfh_tester =
       content::RenderFrameHostTester::For(main_rfh());
   content::RenderFrameHost* subframe = rfh_tester->AppendChild("subframe");
 
   content::RenderFrameHostTester* subframe_tester =
       content::RenderFrameHostTester::For(subframe);
   subframe_tester->SimulateNavigationStart(GURL(kDefaultTestUrl2));
   subframe_tester->SimulateNavigationCommit(GURL(kDefaultTestUrl2));
   SimulateTimingUpdate(timing, subframe);
-  CheckErrorEvent(ERR_IPC_FROM_WRONG_FRAME, 1);
+  CheckErrorEvent(ERR_TIMING_IPC_FROM_SUBFRAME, 1);
   CheckTotalErrorEvents();
   ASSERT_EQ(0, CountUpdatedTimingReported());
   ASSERT_EQ(0, CountCompleteTimingReported());
 }
 
 TEST_F(MetricsWebContentsObserverTest, BadIPC) {
   PageLoadTiming timing;
   timing.navigation_start = base::Time::FromDoubleT(10);
   PageLoadTiming timing2;
   timing2.navigation_start = base::Time::FromDoubleT(100);
@@ skipping 203 matching lines @@
   web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2));
   ASSERT_EQ(std::vector<GURL>({GURL(kDefaultTestUrl)}),
             completed_filtered_urls());
 
   web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl));
   ASSERT_EQ(std::vector<GURL>({GURL(kDefaultTestUrl), GURL(kDefaultTestUrl2)}),
             completed_filtered_urls());
 }
 
 }  // namespace page_load_metrics