Remove OwnPtr::release() calls in platform/ (part 1).

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 71 matching lines @@
 
 typedef HashMap<const GraphicsLayer*, Vector<PaintInvalidationInfo>> PaintInvalidationTrackingMap;
 static PaintInvalidationTrackingMap& paintInvalidationTrackingMap()
 {
     DEFINE_STATIC_LOCAL(PaintInvalidationTrackingMap, map, ());
     return map;
 }
 
 PassOwnPtr<GraphicsLayer> GraphicsLayer::create(GraphicsLayerClient* client)
 {
-    OwnPtr<GraphicsLayer> layer = adoptPtr(new GraphicsLayer(client));
-    return layer.release();
+    return adoptPtr(new GraphicsLayer(client));
 }
 
 GraphicsLayer::GraphicsLayer(GraphicsLayerClient* client)
     : m_client(client)
     , m_backgroundColor(Color::transparent)
     , m_opacity(1)
     , m_blendMode(WebBlendModeNormal)
     , m_hasTransformOrigin(false)
     , m_contentsOpaque(false)
     , m_shouldFlattenTransform(true)
@@ skipping 1120 matching lines @@
 {
     if (!layer) {
         fprintf(stderr, "Cannot showGraphicsLayerTree for (nil).\n");
         return;
     }
 
     String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
     fprintf(stderr, "%s\n", output.utf8().data());
 }
 #endif