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

media/video/video_decode_accelerator.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_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 20 matching lines @@
     SupportedProfile();
     ~SupportedProfile();
     VideoCodecProfile profile;
     gfx::Size max_resolution;
     gfx::Size min_resolution;
   };
   using SupportedProfiles = std::vector<SupportedProfile>;
 
   struct MEDIA_EXPORT Capabilities {
     Capabilities();
+    Capabilities(const Capabilities& other);
     ~Capabilities();
 
     std::string AsHumanReadableString() const;
 
     // Flags that can be associated with a VDA.
     enum Flags {
       NO_FLAGS = 0,
 
       // Normally, the VDA is required to be able to provide all PictureBuffers
       // to the client via PictureReady(), even if the client does not return
@@ skipping 199 matching lines @@
 // Specialize std::default_delete so that scoped_ptr<VideoDecodeAccelerator>
 // uses "Destroy()" instead of trying to use the destructor.
 template <>
 struct MEDIA_EXPORT default_delete<media::VideoDecodeAccelerator> {
   void operator()(media::VideoDecodeAccelerator* vda) const;
 };
 
 }  // namespace std
 
 #endif  // MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_