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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/TraceEvent.h" | 9 #include "platform/TraceEvent.h" |
10 #include "wtf/RawPtr.h" | 10 #include "wtf/RawPtr.h" |
11 | 11 |
12 namespace blink { | 12 namespace blink { |
13 | 13 |
14 static const char kSupplementName[] = "DocumentParserTiming"; | 14 static const char kSupplementName[] = "DocumentParserTiming"; |
15 | 15 |
16 DocumentParserTiming& DocumentParserTiming::from(Document& document) | 16 DocumentParserTiming& DocumentParserTiming::from(Document& document) |
17 { | 17 { |
18 DocumentParserTiming* timing = static_cast<DocumentParserTiming*>(HeapSupple
ment<Document>::from(document, kSupplementName)); | 18 DocumentParserTiming* timing = static_cast<DocumentParserTiming*>(Supplement
<Document>::from(document, kSupplementName)); |
19 if (!timing) { | 19 if (!timing) { |
20 timing = new DocumentParserTiming(document); | 20 timing = new DocumentParserTiming(document); |
21 HeapSupplement<Document>::provideTo(document, kSupplementName, timing); | 21 Supplement<Document>::provideTo(document, kSupplementName, timing); |
22 } | 22 } |
23 return *timing; | 23 return *timing; |
24 } | 24 } |
25 | 25 |
26 void DocumentParserTiming::markParserStart() | 26 void DocumentParserTiming::markParserStart() |
27 { | 27 { |
28 if (m_parserDetached || m_parserStart > 0.0) | 28 if (m_parserDetached || m_parserStart > 0.0) |
29 return; | 29 return; |
30 ASSERT(m_parserStop == 0.0); | 30 ASSERT(m_parserStop == 0.0); |
31 m_parserStart = monotonicallyIncreasingTime(); | 31 m_parserStart = monotonicallyIncreasingTime(); |
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64 { | 64 { |
65 } | 65 } |
66 | 66 |
67 void DocumentParserTiming::notifyDocumentParserTimingChanged() | 67 void DocumentParserTiming::notifyDocumentParserTimingChanged() |
68 { | 68 { |
69 if (m_document->loader()) | 69 if (m_document->loader()) |
70 m_document->loader()->didChangePerformanceTiming(); | 70 m_document->loader()->didChangePerformanceTiming(); |
71 } | 71 } |
72 | 72 |
73 } // namespace blink | 73 } // namespace blink |
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