Add an API to report debugName in GraphicsLayer

Source/WebKit/chromium/src/PinchViewports.cpp

 /*
  * 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 46 matching lines @@
     , m_pageScaleLayer(GraphicsLayer::create(m_owner->graphicsLayerFactory(), this))
     , m_innerViewportScrollLayer(GraphicsLayer::create(m_owner->graphicsLayerFactory(), this))
     , m_overlayScrollbarHorizontal(GraphicsLayer::create(m_owner->graphicsLayerFactory(), this))
     , m_overlayScrollbarVertical(GraphicsLayer::create(m_owner->graphicsLayerFactory(), this))
 {
     m_innerViewportClipLayer->setMasksToBounds(true);
     m_innerViewportClipLayer->platformLayer()->setIsContainerForFixedPositionLayers(true);
 
     m_innerViewportScrollLayer->platformLayer()->setScrollable(true);
 
-#ifndef NDEBUG
-    m_innerViewportClipLayer->setName("inner viewport clip layer");
-    m_pageScaleLayer->setName("page scale layer");
-    m_innerViewportScrollLayer->setName("inner viewport scroll layer");
-    m_overlayScrollbarHorizontal->setName("overlay scrollbar horizontal");
-    m_overlayScrollbarVertical->setName("overlay scrollbar vertical");
-#endif
-
     m_innerViewportClipLayer->addChild(m_pageScaleLayer.get());
     m_pageScaleLayer->addChild(m_innerViewportScrollLayer.get());
     m_innerViewportClipLayer->addChild(m_overlayScrollbarHorizontal.get());
     m_innerViewportClipLayer->addChild(m_overlayScrollbarVertical.get());
 
     // Setup the inner viewport overlay scrollbars.
     setupScrollbar(WebScrollbar::Horizontal);
     setupScrollbar(WebScrollbar::Vertical);
 }
 
@@ skipping 91 matching lines @@
 }
 
 void PinchViewports::notifyAnimationStarted(const GraphicsLayer*, double time)
 {
 }
 
 void PinchViewports::paintContents(const GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& inClip)
 {
 }
 
+String PinchViewports::debugName(const GraphicsLayer* graphicsLayer)
+{
+    String name;
+    if (graphicsLayer == m_innerViewportClipLayer.get()) {
+        name = "Inner Viewport Clip Layer";
+    } else if (graphicsLayer == m_pageScaleLayer.get()) {
+        name =  "Page Scale Layer";
+    } else if (graphicsLayer == m_innerViewportScrollLayer.get()) {
+        name =  "Inner Viewport Scroll Layer";
+    } else if (graphicsLayer == m_overlayScrollbarHorizontal.get()) {
+        name =  "Overlay Scrollbar Horizontal Layer";
+    } else if (graphicsLayer == m_overlayScrollbarVertical.get()) {
+        name =  "Overlay Scrollbar Vertical Layer";
+    }
+
+    return name;
+}
+
 } // namespace WebKit