media: Add out-of-line copy ctors for complex classes.

media/base/video_decoder_config.h

 // 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.
 
 #ifndef MEDIA_BASE_VIDEO_DECODER_CONFIG_H_
 #define MEDIA_BASE_VIDEO_DECODER_CONFIG_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 22 matching lines @@
   VideoDecoderConfig(VideoCodec codec,
                      VideoCodecProfile profile,
                      VideoPixelFormat format,
                      ColorSpace color_space,
                      const gfx::Size& coded_size,
                      const gfx::Rect& visible_rect,
                      const gfx::Size& natural_size,
                      const std::vector<uint8_t>& extra_data,
                      bool is_encrypted);
 
+  VideoDecoderConfig(const VideoDecoderConfig& other);
+
   ~VideoDecoderConfig();
 
   // Resets the internal state of this object.
   void Initialize(VideoCodec codec,
                   VideoCodecProfile profile,
                   VideoPixelFormat format,
                   ColorSpace color_space,
                   const gfx::Size& coded_size,
                   const gfx::Rect& visible_rect,
                   const gfx::Size& natural_size,
@@ skipping 63 matching lines @@
   bool is_encrypted_;
 
   // Not using DISALLOW_COPY_AND_ASSIGN here intentionally to allow the compiler
   // generated copy constructor and assignment operator. Since the extra data is
   // typically small, the performance impact is minimal.
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_CONFIG_H_