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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 "core/dom/DocumentParserTiming.h" | 5 #include "core/dom/DocumentParserTiming.h" | 
| 6 | 6 | 
| 7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" | 
| 8 #include "core/loader/DocumentLoader.h" | 8 #include "core/loader/DocumentLoader.h" | 
| 9 #include "platform/instrumentation/tracing/TraceEvent.h" | 9 #include "platform/instrumentation/tracing/TraceEvent.h" | 
| 10 | 10 | 
| 11 namespace blink { | 11 namespace blink { | 
| 12 | 12 | 
| 13 static const char kSupplementName[] = "DocumentParserTiming"; | 13 static const char kSupplementNameTiming[] = "DocumentParserTiming"; | 
| 14 | 14 | 
| 15 DocumentParserTiming& DocumentParserTiming::from(Document& document) { | 15 DocumentParserTiming& DocumentParserTiming::from(Document& document) { | 
| 16   DocumentParserTiming* timing = static_cast<DocumentParserTiming*>( | 16   DocumentParserTiming* timing = static_cast<DocumentParserTiming*>( | 
| 17       Supplement<Document>::from(document, kSupplementName)); | 17       Supplement<Document>::from(document, kSupplementNameTiming)); | 
| 18   if (!timing) { | 18   if (!timing) { | 
| 19     timing = new DocumentParserTiming(document); | 19     timing = new DocumentParserTiming(document); | 
| 20     Supplement<Document>::provideTo(document, kSupplementName, timing); | 20     Supplement<Document>::provideTo(document, kSupplementNameTiming, timing); | 
| 21   } | 21   } | 
| 22   return *timing; | 22   return *timing; | 
| 23 } | 23 } | 
| 24 | 24 | 
| 25 void DocumentParserTiming::markParserStart() { | 25 void DocumentParserTiming::markParserStart() { | 
| 26   if (m_parserDetached || m_parserStart > 0.0) | 26   if (m_parserDetached || m_parserStart > 0.0) | 
| 27     return; | 27     return; | 
| 28   DCHECK_EQ(m_parserStop, 0.0); | 28   DCHECK_EQ(m_parserStop, 0.0); | 
| 29   m_parserStart = monotonicallyIncreasingTime(); | 29   m_parserStart = monotonicallyIncreasingTime(); | 
| 30   notifyDocumentParserTimingChanged(); | 30   notifyDocumentParserTimingChanged(); | 
| (...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after  Loading... | 
| 70 | 70 | 
| 71 DocumentParserTiming::DocumentParserTiming(Document& document) | 71 DocumentParserTiming::DocumentParserTiming(Document& document) | 
| 72     : Supplement<Document>(document) {} | 72     : Supplement<Document>(document) {} | 
| 73 | 73 | 
| 74 void DocumentParserTiming::notifyDocumentParserTimingChanged() { | 74 void DocumentParserTiming::notifyDocumentParserTimingChanged() { | 
| 75   if (supplementable()->loader()) | 75   if (supplementable()->loader()) | 
| 76     supplementable()->loader()->didChangePerformanceTiming(); | 76     supplementable()->loader()->didChangePerformanceTiming(); | 
| 77 } | 77 } | 
| 78 | 78 | 
| 79 }  // namespace blink | 79 }  // namespace blink | 
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