Revert "Correct fixed-position recording for Slimming Paint"

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 "config.h"
 #include "platform/graphics/paint/DisplayItem.h"
 
 namespace blink {
 
 #ifndef NDEBUG
@@ skipping 136 matching lines @@
 
     switch (type) {
     case BeginFilter: return "BeginFilter";
     case EndFilter: return "EndFilter";
     case BeginCompositing: return "BeginCompositing";
     case EndCompositing: return "EndCompositing";
     case BeginTransform: return "BeginTransform";
     case EndTransform: return "EndTransform";
     case BeginClipPath: return "BeginClipPath";
     case EndClipPath: return "EndClipPath";
-    case BeginFixedPosition: return "BeginFixedPosition";
-    case EndFixedPosition: return "EndFixedPosition";
-    case BeginFixedPositionContainer: return "BeginFixedPositionContainer";
-    case EndFixedPositionContainer: return "EndFixedPositionContainer";
     default:
         ASSERT_NOT_REACHED();
         return "Unknown";
     }
 }
 
 WTF::String DisplayItem::asDebugString() const
 {
     WTF::StringBuilder stringBuilder;
     stringBuilder.append('{');
@@ skipping 12 matching lines @@
     stringBuilder.append("\", type: \"");
     stringBuilder.append(typeAsDebugString(type()));
     stringBuilder.append('"');
     if (m_id.scopeContainer)
         stringBuilder.append(String::format(", scope: \"%p,%d\"", m_id.scopeContainer, m_id.scopeId));
 }
 
 #endif
 
 } // namespace blink