[ Do not submit ] Prototype for invalidation analysis

Source/core/inspector/InspectorTraceEvents.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef InspectorTraceEvents_h
 #define InspectorTraceEvents_h
 
 #include "platform/EventTracer.h"
 #include "platform/TraceEvent.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class Document;
 class Event;
 class ExecutionContext;
 class FrameView;
 class GraphicsContext;
 class GraphicsLayer;
 class KURL;
 class LayoutRect;
 class LocalFrame;
+class Node;
 class RenderObject;
 class RenderImage;
 class ResourceRequest;
 class ResourceResponse;
 class ScriptSourceCode;
 class ScriptCallStack;
 class XMLHttpRequest;
 
 class InspectorLayoutEvent {
 public:
     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> beginData(FrameView*);
     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> endData(RenderObject* rootForThisLayout);
 };
 
+class InspectorStyleInvalidationTrackingEvent {

[kouhei (in TOK), 2014/09/11 18:03:36]

Can we rename this to InspectorStyleRecalcInvalidationTrackingEvent? I want to
use this for StyleInvalidator invalidation (a invalidation flag which is queried
before StyleInvalidator::invaldiate). StyleInvalidator then sets
setNeedsStyleRecalc on those nodes.

+public:
+    static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(Node*);
+};
+
+class InspectorLayoutInvalidationTrackingEvent {
+public:
+    static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(const RenderObject*);
+};
+
+class InspectorPaintInvalidationTrackingEvent {
+public:
+    static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(const RenderObject*, const RenderObject*);
+};
+
 class InspectorSendRequestEvent {
 public:
     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(unsigned long identifier, LocalFrame*, const ResourceRequest&);
 };
 
 class InspectorReceiveResponseEvent {
 public:
     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(unsigned long identifier, LocalFrame*, const ResourceResponse&);
 };
 
@@ skipping 99 matching lines @@
 
 class InspectorTimeStampEvent {
 public:
     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(ExecutionContext*, const String& message);
 };
 
 } // namespace blink
 
 
 #endif // !defined(InspectorTraceEvents_h)