third_party/WebKit/Source/core/css/CSSTiming.cpp - Issue 2533783003: Add metrics for style update time before FCP.

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Unified Diff: third_party/WebKit/Source/core/css/CSSTiming.cpp

Issue 2533783003: Add metrics for style update time before FCP. (Closed)

Patch Set: value_or(base::TimeDelta()) Created 4 years, 1 month ago

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Index: third_party/WebKit/Source/core/css/CSSTiming.cpp

diff --git a/third_party/WebKit/Source/core/css/CSSTiming.cpp b/third_party/WebKit/Source/core/css/CSSTiming.cpp

index abb080559bb69b3e80b68b540935c0e63a115604..e38a4422796987bf221b0b4592327c7ffed0b6d6 100644

--- a/third_party/WebKit/Source/core/css/CSSTiming.cpp

+++ b/third_party/WebKit/Source/core/css/CSSTiming.cpp

@@ -25,6 +25,11 @@ void CSSTiming::recordAuthorStyleSheetParseTime(double seconds) {

m_parseTimeBeforeFCP += seconds;

}

+void CSSTiming::recordUpdateDuration(double seconds) {

+ if (!m_paintTiming->firstContentfulPaint())

+ m_updateTimeBeforeFCP += seconds;

DEFINE_TRACE(CSSTiming) {

visitor->trace(m_document);

visitor->trace(m_paintTiming);