Fix inclusion of SkDrawPictureCallback.h

cc/resources/picture.cc

 // 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.
 
 #include "cc/resources/picture.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 
 #include "base/base64.h"
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 #include "cc/base/util.h"
 #include "cc/debug/traced_picture.h"
 #include "cc/debug/traced_value.h"
 #include "cc/layers/content_layer_client.h"
 #include "skia/ext/pixel_ref_utils.h"
 #include "third_party/skia/include/core/SkBBHFactory.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkData.h"
+#include "third_party/skia/include/core/SkDrawPictureCallback.h"

[danakj, 2015/01/06 15:42:46]

the forward declaration from the .h should be enough here? It's not dereffed?

[robertphillips, 2015/01/06 16:08:09]

This will also go away after the Chromium-side renaming. It is again needed so
the compiler knows SkDrawPictureCallback derives from SkAbortCallback.

 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "third_party/skia/include/core/SkPixelSerializer.h"
 #include "third_party/skia/include/core/SkStream.h"
 #include "third_party/skia/include/utils/SkNullCanvas.h"
 #include "third_party/skia/include/utils/SkPictureUtils.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 #include "ui/gfx/skia_util.h"
@@ skipping 486 matching lines @@
   scoped_refptr<base::debug::TracedValue> record_data =
       new base::debug::TracedValue();
   TracedValue::SetIDRef(this, record_data.get(), "picture_id");
   record_data->BeginArray("layer_rect");
   MathUtil::AddToTracedValue(layer_rect_, record_data.get());
   record_data->EndArray();
   return record_data;
 }
 
 }  // namespace cc