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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/page_load_metrics/observers/core_page_load_metrics_obse rver.h" | 5 #include "chrome/browser/page_load_metrics/observers/core_page_load_metrics_obse rver.h" |
6 | 6 |
7 #include "base/memory/ptr_util.h" | 7 #include "base/memory/ptr_util.h" |
8 #include "chrome/browser/page_load_metrics/observers/page_load_metrics_observer_ test_harness.h" | 8 #include "chrome/browser/page_load_metrics/observers/page_load_metrics_observer_ test_harness.h" |
9 #include "chrome/browser/page_load_metrics/page_load_metrics_util.h" | 9 #include "chrome/browser/page_load_metrics/page_load_metrics_util.h" |
10 #include "chrome/test/base/testing_browser_process.h" | 10 #include "chrome/test/base/testing_browser_process.h" |
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693 | 693 |
694 NavigateAndCommit(GURL(kDefaultTestUrl)); | 694 NavigateAndCommit(GURL(kDefaultTestUrl)); |
695 SimulateTimingUpdate(timing); | 695 SimulateTimingUpdate(timing); |
696 | 696 |
697 blink::WebMouseEvent mouse_event(blink::WebInputEvent::kMouseDown, | 697 blink::WebMouseEvent mouse_event(blink::WebInputEvent::kMouseDown, |
698 blink::WebInputEvent::kNoModifiers, | 698 blink::WebInputEvent::kNoModifiers, |
699 blink::WebInputEvent::kTimeStampForTesting); | 699 blink::WebInputEvent::kTimeStampForTesting); |
700 SimulateInputEvent(mouse_event); | 700 SimulateInputEvent(mouse_event); |
701 | 701 |
702 timing.paint_timing.first_meaningful_paint = | 702 timing.paint_timing.first_meaningful_paint = |
703 base::TimeDelta::FromMilliseconds(1000); | 703 base::TimeDelta::FromMilliseconds(1100); |
Zhen Wang
2017/04/19 21:52:47
Is there any reason to change this?
lpy
2017/04/20 01:49:24
The overhead of SimulateTimingUpdate increases a l
| |
704 PopulateRequiredTimingFields(&timing); | 704 PopulateRequiredTimingFields(&timing); |
705 SimulateTimingUpdate(timing); | 705 SimulateTimingUpdate(timing); |
706 | 706 |
707 NavigateAndCommit(GURL(kDefaultTestUrl2)); | 707 NavigateAndCommit(GURL(kDefaultTestUrl2)); |
708 | 708 |
709 histogram_tester().ExpectTotalCount( | 709 histogram_tester().ExpectTotalCount( |
710 internal::kHistogramFirstMeaningfulPaint, 0); | 710 internal::kHistogramFirstMeaningfulPaint, 0); |
711 histogram_tester().ExpectTotalCount( | 711 histogram_tester().ExpectTotalCount( |
712 internal::kHistogramParseStartToFirstMeaningfulPaint, 0); | 712 internal::kHistogramParseStartToFirstMeaningfulPaint, 0); |
713 histogram_tester().ExpectBucketCount( | 713 histogram_tester().ExpectBucketCount( |
714 internal::kHistogramFirstMeaningfulPaintStatus, | 714 internal::kHistogramFirstMeaningfulPaintStatus, |
715 internal::FIRST_MEANINGFUL_PAINT_USER_INTERACTION_BEFORE_FMP, 1); | 715 internal::FIRST_MEANINGFUL_PAINT_USER_INTERACTION_BEFORE_FMP, 1); |
716 } | 716 } |
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