Add |GraphicsLayerDebugInfo::getAnnotatedInvalidationRects|

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index 2cea782a9b30defcba4131c2e25ffe0314ec35e3..8a728499ca4e6cc8dc653777ef05f0fbdc43fc06 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -84,6 +84,7 @@
 #include "platform/TraceEvent.h"
 #include "platform/TracedValue.h"
 #include "platform/geometry/TransformState.h"
+#include "platform/graphics/FirstPaintInvalidationTracking.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "wtf/RefCountedLeakCounter.h"
 #include "wtf/text/StringBuilder.h"
@@ -99,6 +100,13 @@ namespace {
 
 static bool gModifyRenderTreeStructureAnyState = false;
 
+typedef WillBeHeapHashSet<RawPtrWillBeWeakMember<const RenderObject> > RenderObjectWeakSet;
+RenderObjectWeakSet& renderObjectNeverHadPaintInvalidationSet()
+{
+    DEFINE_STATIC_LOCAL(RenderObjectWeakSet, set, ());

[tkent, 2014/09/10 00:03:27]

This set doesn't look traceable.  Needs Persistent?

[kouhei (in TOK), 2014/09/10 23:46:28]

Done.

+    return set;
+}
+
 } // namespace
 
 using namespace HTMLNames;
@@ -233,6 +241,9 @@ RenderObject::RenderObject(Node* node)
 #endif
     , m_bitfields(node)
 {
+    if (firstPaintInvalidationTrackingEnabled())
+        renderObjectNeverHadPaintInvalidationSet().add(this);
+
 #ifndef NDEBUG
     renderObjectCounter.increment();
 #endif
@@ -241,6 +252,9 @@ RenderObject::RenderObject(Node* node)
 
 RenderObject::~RenderObject()
 {
+    if (firstPaintInvalidationTrackingEnabled())
+        renderObjectNeverHadPaintInvalidationSet().remove(this);
+
     ASSERT(!m_hasAXObject);
 #if ENABLE(OILPAN)
     ASSERT(m_didCallDestroy);
@@ -1409,6 +1423,20 @@ void RenderObject::paint(PaintInfo&, const LayoutPoint&)
 {
 }
 
+void RenderObject::setHadPaintInvalidation()
+{
+    if (firstPaintInvalidationTrackingEnabled())
+        renderObjectNeverHadPaintInvalidationSet().remove(this);
+}
+
+bool RenderObject::hadPaintInvalidation() const
+{
+    if (!firstPaintInvalidationTrackingEnabled())
+        return true;
+
+    return !renderObjectNeverHadPaintInvalidationSet().contains(this);
+}
+
 const RenderLayerModelObject* RenderObject::containerForPaintInvalidation() const
 {
     if (!isRooted())