Revert of PaintChunk::id

third_party/WebKit/Source/platform/testing/PaintPrinters.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 "platform/testing/PaintPrinters.h"
 
 #include "platform/graphics/paint/PaintChunk.h"
 #include "platform/graphics/paint/PaintChunkProperties.h"
 #include <iomanip> // NOLINT
 #include <ostream> // NOLINT
@@ skipping 27 matching lines @@
     PrintPointer(node.localTransformSpace(), *os);
     *os << ", parent=";
     PrintPointer(node.parent(), *os);
     *os << ")";
 }
 
 void PrintTo(const PaintChunk& chunk, std::ostream* os)
 {
     *os << "PaintChunk(begin=" << chunk.beginIndex
         << ", end=" << chunk.endIndex
-        << ", id=";
-    if (!chunk.id) {
-        *os << "null";
-    } else {
-        *os << "(" << &chunk.id->client << ", ";
-#ifndef NDEBUG
-        *os << DisplayItem::typeAsDebugString(chunk.id->type);
-#else
-        *os << static_cast<int>(chunk.id->type);
-#endif
-        *os << ")";
-    }
-    *os << ", props=";
+        << ", props=";
     PrintTo(chunk.properties, os);
     *os << ", bounds=";
     PrintTo(chunk.bounds, os);
     *os << ", knownToBeOpaque=" << chunk.knownToBeOpaque << ")";
 }
 
 void PrintTo(const PaintChunkProperties& properties, std::ostream* os)
 {
     *os << "PaintChunkProperties(";
     bool printedProperty = false;
@@ skipping 34 matching lines @@
     PrintTo(transformPaintProperty.origin(), os);
     *os << ")";
 }
 
 void PrintTo(const EffectPaintPropertyNode& effect, std::ostream* os)
 {
     *os << "EffectPaintPropertyNode(opacity=" << effect.opacity() << ")";
 }
 
 } // namespace blink