Make DisplayItemClient an interface

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

 // Copyright 2015 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 "config.h"
 #include "platform/graphics/paint/SubsequenceRecorder.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/CachedDisplayItem.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/graphics/paint/SubsequenceDisplayItem.h"
 
 namespace blink {
 
-bool SubsequenceRecorder::useCachedSubsequenceIfPossible(GraphicsContext& context, const DisplayItemClientWrapper& client)
+bool SubsequenceRecorder::useCachedSubsequenceIfPossible(GraphicsContext& context, const DisplayItemClient& client)
 {
     if (!RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled())
         return false;
 
     if (context.paintController().displayItemConstructionIsDisabled())
         return false;
 
-    if (!context.paintController().clientCacheIsValid(client.displayItemClient()))
+    if (!context.paintController().clientCacheIsValid(client))
         return false;
 
     context.paintController().createAndAppend<CachedDisplayItem>(client, DisplayItem::CachedSubsequence);
 
 #if ENABLE(ASSERT)
     // When under-invalidation checking is enabled, we output CachedSubsequence display item
     // followed by forced painting of the subsequence.
     if (RuntimeEnabledFeatures::slimmingPaintUnderInvalidationCheckingEnabled())
         return false;
 #endif
 
     return true;
 }
 
-SubsequenceRecorder::SubsequenceRecorder(GraphicsContext& context, const DisplayItemClientWrapper& client)
+SubsequenceRecorder::SubsequenceRecorder(GraphicsContext& context, const DisplayItemClient& client)
     : m_paintController(context.paintController())
     , m_client(client)
     , m_beginSubsequenceIndex(0)
 {
     if (!RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled())
         return;
 
     if (m_paintController.displayItemConstructionIsDisabled())
         return;
 
@@ skipping 28 matching lines @@
         return;
 
     if (m_paintController.displayItemConstructionIsDisabled())
         return;
 
     ASSERT(m_paintController.newDisplayItemList()[m_beginSubsequenceIndex].type() == DisplayItem::Subsequence);
     m_paintController.newDisplayItemList()[m_beginSubsequenceIndex].setSkippedCache();
 }
 
 } // namespace blink