Fix bug of animated table col/section/row background

third_party/WebKit/Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  *               (http://www.torchmobile.com/)
@@ skipping 1873 matching lines @@
 
   if (oldStyle && !areCursorsEqual(oldStyle, style())) {
     if (LocalFrame* frame = this->frame()) {
       // Cursor update scheduling is done by the local root, which is the main
       // frame if there are no RemoteFrame ancestors in the frame tree. Use of
       // localFrameRoot() is discouraged but will change when cursor update
       // scheduling is moved from EventHandler to PageEventHandler.
       frame->localFrameRoot()->eventHandler().scheduleCursorUpdate();
     }
   }
+
+  if (diff.needsPaintInvalidation() && oldStyle) {
+    if (resolveColor(*oldStyle, CSSPropertyBackgroundColor) !=
+            resolveColor(CSSPropertyBackgroundColor) ||
+        oldStyle->backgroundLayers() != styleRef().backgroundLayers())
+      setBackgroundChangedSinceLastPaintInvalidation();
+  }
 }
 
 void LayoutObject::propagateStyleToAnonymousChildren() {
   // FIXME: We could save this call when the change only affected non-inherited
   // properties.
   for (LayoutObject* child = slowFirstChild(); child;
        child = child->nextSibling()) {
     if (!child->isAnonymous() || child->style()->styleType() != PseudoIdNone)
       continue;
 
@@ skipping 1540 matching lines @@
   // paintInvalidationStateIsDirty should be kept in sync with the
   // booleans that are cleared below.
   ASSERT(!shouldCheckForPaintInvalidationRegardlessOfPaintInvalidationState() ||
          paintInvalidationStateIsDirty());
   clearShouldDoFullPaintInvalidation();
   m_bitfields.setChildShouldCheckForPaintInvalidation(false);
   m_bitfields.setMayNeedPaintInvalidation(false);
   m_bitfields.setMayNeedPaintInvalidationSubtree(false);
   m_bitfields.setMayNeedPaintInvalidationAnimatedBackgroundImage(false);
   m_bitfields.setShouldInvalidateSelection(false);
+  m_bitfields.setBackgroundChangedSinceLastPaintInvalidation(false);
 }
 
 bool LayoutObject::isAllowedToModifyLayoutTreeStructure(Document& document) {
   return DeprecatedDisableModifyLayoutTreeStructureAsserts::
              canModifyLayoutTreeStateInAnyState() ||
          document.lifecycle().stateAllowsLayoutTreeMutations();
 }
 
 DeprecatedDisableModifyLayoutTreeStructureAsserts::
     DeprecatedDisableModifyLayoutTreeStructureAsserts()
@@ skipping 75 matching lines @@
     const blink::LayoutObject* root = object1;
     while (root->parent())
       root = root->parent();
     root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
   } else {
     WTFLogAlways("%s", "Cannot showLayoutTree. Root is (nil)");
   }
 }
 
 #endif