DevTools: add ParseAuthorStyleSheet events to Timeline

Source/core/inspector/InspectorTraceEvents.h

Index: Source/core/inspector/InspectorTraceEvents.h
diff --git a/Source/core/inspector/InspectorTraceEvents.h b/Source/core/inspector/InspectorTraceEvents.h
index 9c9f40ca2722272e7b46dd852cb159900566f328..96ba6189a7b92ce44e8ff7648b2e223aa70192a9 100644
--- a/Source/core/inspector/InspectorTraceEvents.h
+++ b/Source/core/inspector/InspectorTraceEvents.h
@@ -14,6 +14,7 @@
 
 namespace blink {
 
+class CSSStyleSheetResource;
 class DescendantInvalidationSet;
 class Document;
 class Element;
@@ -169,6 +170,11 @@ public:
     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> beginData(Document*, unsigned startLine);
 };
 
+class InspectorParseAuthorStyleSheetEvent {
+public:
+    static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(const CSSStyleSheetResource*);
+};
+
 class InspectorXhrReadyStateChangeEvent {
 public:
     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(ExecutionContext*, XMLHttpRequest*);