WIP for display item list backed by ListContainer

Source/core/paint/TransformRecorder.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 "config.h"
 #include "core/paint/TransformRecorder.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/DisplayItemList.h"
 #include "platform/graphics/paint/TransformDisplayItem.h"
 
 namespace blink {
 
 TransformRecorder::TransformRecorder(GraphicsContext& context, const DisplayItemClientWrapper& client, const AffineTransform& transform)
     : m_context(context)
     , m_client(client)
 {
     m_skipRecordingForIdentityTransform = transform.isIdentity();
 
     if (m_skipRecordingForIdentityTransform)
         return;
 
-    if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
-        ASSERT(m_context.displayItemList());
-        if (m_context.displayItemList()->displayItemConstructionIsDisabled())
-            return;
-        m_context.displayItemList()->add(BeginTransformDisplayItem::create(m_client, transform));
-    } else {
-        BeginTransformDisplayItem beginTransform(m_client, transform);
-        beginTransform.replay(m_context);
-    }
+    ALLOW_UNUSED_LOCAL(m_skipRecordingForIdentityTransform);
+    ALLOW_UNUSED_LOCAL(m_context);
+    ALLOW_UNUSED_LOCAL(m_client);
+    //if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
+    //    ASSERT(m_context.displayItemList());
+    //    if (m_context.displayItemList()->displayItemConstructionIsDisabled())
+    //        return;
+    //    m_context.displayItemList()->add(BeginTransformDisplayItem::create(m_client, transform));
+    //} else {
+    //    BeginTransformDisplayItem beginTransform(m_client, transform);
+    //    beginTransform.replay(m_context);
+    //}
 }
 
 TransformRecorder::~TransformRecorder()
 {
     if (m_skipRecordingForIdentityTransform)
         return;
 
-    if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
-        ASSERT(m_context.displayItemList());
-        if (!m_context.displayItemList()->displayItemConstructionIsDisabled()) {
-            if (m_context.displayItemList()->lastDisplayItemIsNoopBegin())
-                m_context.displayItemList()->removeLastDisplayItem();
-            else
-                m_context.displayItemList()->add(EndTransformDisplayItem::create(m_client));
-        }
-    } else {
-        EndTransformDisplayItem endTransform(m_client);
-        endTransform.replay(m_context);
-    }
+    //if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
+    //    ASSERT(m_context.displayItemList());
+    //    if (!m_context.displayItemList()->displayItemConstructionIsDisabled()) {
+    //        if (m_context.displayItemList()->lastDisplayItemIsNoopBegin())
+    //            m_context.displayItemList()->removeLastDisplayItem();
+    //        else
+    //            m_context.displayItemList()->add(EndTransformDisplayItem::create(m_client));
+    //    }
+    //} else {
+    //    EndTransformDisplayItem endTransform(m_client);
+    //    endTransform.replay(m_context);
+    //}
 }
 
 } // namespace blink