[ Do not submit ] Prototype for invalidation analysis

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 a08fcf3cfdb34c215238c9877df24ff4e71153c3..10a6847b082d112be3f07dbffc217dfeca1be163 100644
--- a/Source/core/inspector/InspectorTraceEvents.h
+++ b/Source/core/inspector/InspectorTraceEvents.h
@@ -20,6 +20,7 @@ class GraphicsLayer;
 class KURL;
 class LayoutRect;
 class LocalFrame;
+class Node;
 class RenderObject;
 class RenderImage;
 class ResourceRequest;
@@ -34,6 +35,21 @@ public:
     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&);