mix-blend-mode implementation for accelerated layers - blink part

Source/core/inspector/InspectorLayerTreeAgent.cpp

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 267 matching lines @@
         { CompositingReasonClipsCompositingDescendants, "clipsCompositingDescendants" },
         { CompositingReasonPerspective, "perspective" },
         { CompositingReasonPreserve3D, "preserve3D" },
         { CompositingReasonRoot, "root" },
         { CompositingReasonLayerForClip, "layerForClip" },
         { CompositingReasonLayerForScrollbar, "layerForScrollbar" },
         { CompositingReasonLayerForScrollingContainer, "layerForScrollingContainer" },
         { CompositingReasonLayerForForeground, "layerForForeground" },
         { CompositingReasonLayerForBackground, "layerForBackground" },
         { CompositingReasonLayerForMask, "layerForMask" },
-        { CompositingReasonLayerForVideoOverlay, "layerForVideoOverlay" }
+        { CompositingReasonLayerForVideoOverlay, "layerForVideoOverlay" },
+        { CompositingReasonIsolateCompositedDescendants, "isolateCompositedDescendants" }
     };
 
     const GraphicsLayer* graphicsLayer = layerById(errorString, layerId);
     if (!graphicsLayer)
         return;
     blink::WebCompositingReasons reasonsBitmask = graphicsLayer->compositingReasons();
     reasonStrings = TypeBuilder::Array<String>::create();
     for (size_t i = 0; i < WTF_ARRAY_LENGTH(compositingReasonNames); ++i) {
         if (!(reasonsBitmask & compositingReasonNames[i].mask))
             continue;
         reasonStrings->addItem(compositingReasonNames[i].protocolName);
 #ifndef _NDEBUG
         reasonsBitmask &= ~compositingReasonNames[i].mask;
 #endif
     }
     ASSERT(!reasonsBitmask);
 }
 
 } // namespace WebCore