Remove unused typemap includes from generated C++ mojo bindings.

cc/output/copy_output_result.h

 // Copyright 2013 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_OUTPUT_COPY_OUTPUT_RESULT_H_
 #define CC_OUTPUT_COPY_OUTPUT_RESULT_H_
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "cc/base/cc_export.h"
 #include "cc/resources/single_release_callback.h"
 #include "cc/resources/texture_mailbox.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/geometry/size.h"
 
-class SkBitmap;
-
 namespace cc {
 class TextureMailbox;
 
 class CC_EXPORT CopyOutputResult {
  public:
   static std::unique_ptr<CopyOutputResult> CreateEmptyResult() {
     return base::WrapUnique(new CopyOutputResult);
   }
   static std::unique_ptr<CopyOutputResult> CreateBitmapResult(
       std::unique_ptr<SkBitmap> bitmap) {
@@ skipping 28 matching lines @@
 
   gfx::Size size_;
   std::unique_ptr<SkBitmap> bitmap_;
   TextureMailbox texture_mailbox_;
   std::unique_ptr<SingleReleaseCallback> release_callback_;
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_COPY_OUTPUT_RESULT_H_