third_party/WebKit/Source/core/frame/FrameView.cpp - Issue 2039363003: FirstMeaningfulPaint UMA

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Unified Diff: third_party/WebKit/Source/core/frame/FrameView.cpp

Issue 2039363003: FirstMeaningfulPaint UMA (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: ready for review Created 4 years, 5 months ago

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« chrome/common/page_load_metrics/page_load_timing.cc ('K') | « third_party/WebKit/Source/core/frame/FrameView.h ('k') | third_party/WebKit/Source/core/layout/LayoutObject.cpp » ('j') | third_party/WebKit/Source/core/loader/FrameFetchContext.cpp » ('J')
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Index: third_party/WebKit/Source/core/frame/FrameView.cpp

diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp

index 3fa8e63c185b071c4f343796b89e2d2f3ac3c1be..6e680dcc0d9c561748471c749774fe8753a98cb8 100644

--- a/third_party/WebKit/Source/core/frame/FrameView.cpp

+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp

@@ -229,6 +229,7 @@ void FrameView::reset()

m_visuallyNonEmptyCharacterCount = 0;

m_visuallyNonEmptyPixelCount = 0;

m_isVisuallyNonEmpty = false;

+ m_layoutObjectCounter.reset();

clearFragmentAnchor();

m_viewportConstrainedObjects.reset();

m_layoutSubtreeRootList.clear();

@@ -874,8 +875,9 @@ void FrameView::performLayout(bool inSubtreeLayout)

{

ASSERT(inSubtreeLayout || m_layoutSubtreeRootList.isEmpty());

+ int contentsHeightBeforeLayout = layoutViewItem().documentRect().height();

TRACE_EVENT_BEGIN1(PERFORM_LAYOUT_TRACE_CATEGORIES, "FrameView::performLayout",

- "contentsHeightBeforeLayout", layoutViewItem().documentRect().height());

+ "contentsHeightBeforeLayout", contentsHeightBeforeLayout);

prepareLayoutAnalyzer();

ScriptForbiddenScope forbidScript;

@@ -917,6 +919,7 @@ void FrameView::performLayout(bool inSubtreeLayout)

TRACE_EVENT_END1(PERFORM_LAYOUT_TRACE_CATEGORIES, "FrameView::performLayout",

"counters", analyzerCounters());

+ FirstMeaningfulPaintDetector::from(*m_frame->document()).computeLayoutSignificance(m_layoutObjectCounter, contentsHeightBeforeLayout, layoutViewItem().documentRect().height(), visibleHeight());

}

void FrameView::scheduleOrPerformPostLayoutTasks()