Revert "GTTF: Add missing virtual destructors."

cc/picture_layer_impl.h

 // Copyright 2012 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.
 
 #ifndef CC_PICTURE_LAYER_IMPL_H_
 #define CC_PICTURE_LAYER_IMPL_H_
 
 #include "cc/layer_impl.h"
 #include "cc/picture_layer_tiling.h"
 #include "cc/picture_layer_tiling_set.h"
 #include "cc/picture_pile_impl.h"
 #include "cc/scoped_ptr_vector.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkPicture.h"
 
 namespace cc {
 
 struct AppendQuadsData;
 class QuadSink;
 
-class CC_EXPORT PictureLayerImpl
-    : public LayerImpl,
-      public NON_EXPORTED_BASE(PictureLayerTilingClient) {
+class CC_EXPORT PictureLayerImpl : public LayerImpl,
+                                   public PictureLayerTilingClient {
 public:
   static scoped_ptr<PictureLayerImpl> create(LayerTreeImpl* treeImpl, int id)
   {
       return make_scoped_ptr(new PictureLayerImpl(treeImpl, id));
   }
   virtual ~PictureLayerImpl();
 
   // LayerImpl overrides.
   virtual const char* layerTypeAsString() const OVERRIDE;
   virtual scoped_ptr<LayerImpl> createLayerImpl(
@@ skipping 69 matching lines @@
   float raster_source_scale_;
   bool raster_source_scale_was_animating_;
 
   friend class PictureLayer;
   DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl);
 };
 
 }
 
 #endif  // CC_PICTURE_LAYER_IMPL_H_