Find cached display items directly during painting

third_party/WebKit/Source/platform/graphics/paint/DisplayItem.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/paint/DisplayItem.h"
 
 namespace blink {
 
 struct SameSizeAsDisplayItem {
     virtual ~SameSizeAsDisplayItem() { } // Allocate vtable pointer.
@@ skipping 165 matching lines @@
     switch (type) {
         DEBUG_STRING_CASE(Transform3DElementTransform);
         DEFAULT_CASE;
     }
 }
 
 WTF::String DisplayItem::typeAsDebugString(Type type)
 {
     if (isDrawingType(type))
         return drawingTypeAsDebugString(type);
-    if (isCachedDrawingType(type))
-        return "Cached" + drawingTypeAsDebugString(cachedDrawingTypeToDrawingType(type));
 
     if (isForeignLayerType(type))
         return foreignLayerTypeAsDebugString(type);
 
     if (isClipType(type))
         return clipTypeAsDebugString(type);
     if (isEndClipType(type))
         return "End" + clipTypeAsDebugString(endClipTypeToClipType(type));
 
     if (type == UninitializedType)
@@ skipping 17 matching lines @@
         DEBUG_STRING_CASE(BeginFilter);
         DEBUG_STRING_CASE(EndFilter);
         DEBUG_STRING_CASE(BeginCompositing);
         DEBUG_STRING_CASE(EndCompositing);
         DEBUG_STRING_CASE(BeginTransform);
         DEBUG_STRING_CASE(EndTransform);
         DEBUG_STRING_CASE(BeginClipPath);
         DEBUG_STRING_CASE(EndClipPath);
         DEBUG_STRING_CASE(Subsequence);
         DEBUG_STRING_CASE(EndSubsequence);
-        DEBUG_STRING_CASE(CachedSubsequence);
         DEBUG_STRING_CASE(UninitializedType);
         DEFAULT_CASE;
     }
 }
 
 WTF::String DisplayItem::asDebugString() const
 {
     WTF::StringBuilder stringBuilder;
     stringBuilder.append('{');
     dumpPropertiesAsDebugString(stringBuilder);
@@ skipping 18 matching lines @@
     stringBuilder.append("\", type: \"");
     stringBuilder.append(typeAsDebugString(getType()));
     stringBuilder.append('"');
     if (m_skippedCache)
         stringBuilder.append(", skippedCache: true");
 }
 
 #endif
 
 } // namespace blink