Change cc::ElementId to be a uint64_t

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

 // Copyright 2016 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/TransformPaintPropertyNode.h"
 
 #include "platform/graphics/paint/PropertyTreeState.h"
 
 namespace blink {
 
@@ skipping 21 matching lines @@
   // The root transform node references the root scroll node so a scroll node
   // should always exist.
   NOTREACHED();
   return nullptr;
 }
 
 String TransformPaintPropertyNode::ToString() const {
   auto transform = String::Format(
       "parent=%p transform=%s origin=%s flattensInheritedTransform=%s "
       "renderingContextId=%x directCompositingReasons=%s "
-      "compositorElementId=(%d, %d)",
+      "compositorElementId=%lu",
       parent_.Get(), matrix_.ToString().Ascii().data(),
       origin_.ToString().Ascii().data(),
       flattens_inherited_transform_ ? "yes" : "no", rendering_context_id_,
       CompositingReasonsAsString(direct_compositing_reasons_).Ascii().data(),
-      compositor_element_id_.primaryId, compositor_element_id_.secondaryId);
+      static_cast<unsigned long>(compositor_element_id_.id_));
   if (scroll_)
     return transform + " scroll=" + scroll_->ToString();
   return transform;
 }
 
 #if DCHECK_IS_ON()
 
 String TransformPaintPropertyNode::ToTreeString() const {
   return blink::PropertyTreeStatePrinter<blink::TransformPaintPropertyNode>()
       .PathAsString(this);
 }
 
 #endif
 
 }  // namespace blink