Fix a bunch of IWYU violators that don't include scoped_ptr.h

media/base/yuv_convert_unittest.cc

 // Copyright (c) 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 <stddef.h>
 #include <stdint.h>
 
 #include "base/base_paths.h"
 #include "base/cpu.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "build/build_config.h"
 #include "media/base/djb2.h"
 #include "media/base/simd/convert_rgb_to_yuv.h"
 #include "media/base/simd/convert_yuv_to_rgb.h"
 #include "media/base/simd/filter_yuv.h"
 #include "media/base/yuv_convert.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/geometry/rect.h"
 
@@ skipping 838 matching lines @@
   EXPECT_EQ(0, memcmp(rgb_bytes_reference.get(),
                       rgb_bytes_converted.get(),
                       kWidth * kBpp));
 }
 
 #endif  // defined(ARCH_CPU_X86_64)
 
 #endif  // defined(ARCH_CPU_X86_FAMILY)
 
 }  // namespace media