DevTools: add ParseAuthorStyleSheet events to Timeline

Source/core/css/StyleSheetContents.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 14 matching lines @@
 #include "core/css/MediaList.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleRule.h"
 #include "core/css/StyleRuleImport.h"
 #include "core/css/parser/CSSParser.h"
 #include "core/dom/Document.h"
 #include "core/dom/Node.h"
 #include "core/dom/StyleEngine.h"
 #include "core/fetch/CSSStyleSheetResource.h"
 #include "core/frame/UseCounter.h"
+#include "core/inspector/InspectorTraceEvents.h"
 #include "platform/TraceEvent.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/Deque.h"
 
 namespace blink {
 
 // Rough size estimate for the memory cache.
 unsigned StyleSheetContents::estimatedSizeInBytes() const
 {
     // Note that this does not take into account size of the strings hanging from various objects.
@@ skipping 267 matching lines @@
     if (prefix.isNull())
         return nullAtom; // No namespace. If an element/attribute has a namespace, we won't match it.
     if (prefix == starAtom)
         return starAtom; // We'll match any namespace.
     return m_namespaces.get(prefix);
 }
 
 void StyleSheetContents::parseAuthorStyleSheet(const CSSStyleSheetResource* cachedStyleSheet, const SecurityOrigin* securityOrigin)
 {
     TRACE_EVENT0("blink", "StyleSheetContents::parseAuthorStyleSheet");
+    TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ParseAuthorStyleSheet", "data", InspectorParseAuthorStyleSheetEvent::data(cachedStyleSheet));
 
     bool quirksMode = isQuirksModeBehavior(m_parserContext.mode());
 
     bool enforceMIMEType = !quirksMode;
     bool hasValidMIMEType = false;
     String sheetText = cachedStyleSheet->sheetText(enforceMIMEType, &hasValidMIMEType);
 
     CSSParserContext context(parserContext(), UseCounter::getFrom(this));
     CSSParser::parseSheet(context, this, sheetText, TextPosition::minimumPosition(), 0, true);
 
@@ skipping 355 matching lines @@
     visitor->trace(m_ownerRule);
     visitor->trace(m_importRules);
     visitor->trace(m_childRules);
     visitor->trace(m_loadingClients);
     visitor->trace(m_completedClients);
     visitor->trace(m_ruleSet);
 #endif
 }
 
 }