Add GraphicsLayerDebugInfo::includesNewPaintInvalidation to distinguish paint from new RenderObjects

Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 951 matching lines @@
     // FIXME: It should be not possible to remove the FrameView from the frame/page during layout
     // however m_inPerformLayout is not set for most of this function, so none of our RELEASE_ASSERTS
     // in LocalFrame/Page will fire. One of the post-layout tasks is disconnecting the LocalFrame from
     // the page in fast/frames/crash-remove-iframe-during-object-beforeload-2.html
     // necessitating this check here.
     // ASSERT(frame()->page());
     if (frame().page())
         frame().page()->chrome().client().layoutUpdated(m_frame.get());
 }
 
+void FrameView::resetFirstPaintInvalidationFlag(RenderObject* layoutRoot)
+{
+  /*
+    bool isTracing;
+    TRACE_EVENT_CATEGORY_GROUP_ENABLED(TRACE_DISABLED_BY_DEFAULT("blink.invalidation"), &isTracing);
+    if (!isTracing)

[kouhei (in TOK), 2014/08/21 11:20:39]

FIXME: I need to limit this to only when TRACE_EVENT_CATEGORY is enabled || HUD
from devtools is enabled.

+        return;
+  */
+    if (!layoutRoot->enclosingLayer()->hasCompositedLayerMapping())
+        return;
+
+    if (GraphicsLayer* graphicsLayer = layoutRoot->enclosingLayer()->compositedLayerMapping()->mainGraphicsLayer())
+        graphicsLayer->resetIncludesFirstPaintInvalidationRecursive();
+}
+
 // The plan is to move to compositor-queried paint invalidation, in which case this
 // method would setNeedsRedraw on the GraphicsLayers with invalidations and
 // let the compositor pick which to actually draw.
 // See http://crbug.com/306706
 void FrameView::invalidateTreeIfNeeded()
 {
     RenderObject* rootForPaintInvalidation = renderView();
     ASSERT(!rootForPaintInvalidation->needsLayout());
 
     TRACE_EVENT1("blink", "FrameView::invalidateTree", "root", rootForPaintInvalidation->debugName().ascii());
 
     PaintInvalidationState rootPaintInvalidationState(*rootForPaintInvalidation);
 
+    resetFirstPaintInvalidationFlag(rootForPaintInvalidation);
     rootForPaintInvalidation->invalidateTreeIfNeeded(rootPaintInvalidationState);
 
     // Invalidate the paint of the frameviews scrollbars if needed
     if (hasVerticalBarDamage())
         invalidateRect(verticalBarDamage());
     if (hasHorizontalBarDamage())
         invalidateRect(horizontalBarDamage());
     resetScrollbarDamage();
 
     m_doFullPaintInvalidation = false;
@@ skipping 2136 matching lines @@
 void FrameView::willRemoveScrollbar(Scrollbar* scrollbar, ScrollbarOrientation orientation)
 {
     ScrollableArea::willRemoveScrollbar(scrollbar, orientation);
     if (AXObjectCache* cache = axObjectCache()) {
         cache->remove(scrollbar);
         cache->handleScrollbarUpdate(this);
     }
 }
 
 } // namespace blink