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

content/common/gpu/media/rendering_helper.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 CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_
 #define CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 36 matching lines @@
 
   uint32_t texture_target_;
   uint32_t texture_id_;
   base::Closure no_longer_needed_cb_;
 
   ~VideoFrameTexture();
 };
 
 struct RenderingHelperParams {
   RenderingHelperParams();
+  RenderingHelperParams(const RenderingHelperParams& other);
   ~RenderingHelperParams();
 
   // The rendering FPS.
   int rendering_fps;
 
   // The number of empty frames rendered when the rendering helper is
   // initialized.
   int warm_up_iterations;
 
   // The desired size of each window. We play each stream in its own window
@@ skipping 88 matching lines @@
     // always keep the last remaining frame in pending_frames even after it
     // has been rendered, so that we have something to display if the client
     // is falling behind on providing us with new frames during timer-driven
     // playback.
     int frames_to_drop;
 
     // The video frames pending for rendering.
     std::queue<scoped_refptr<VideoFrameTexture> > pending_frames;
 
     RenderedVideo();
+    RenderedVideo(const RenderedVideo& other);
     ~RenderedVideo();
   };
 
   void Clear();
 
   void RenderContent();
 
   void WarmUpRendering(int warm_up_iterations);
 
   void LayoutRenderingAreas(const std::vector<gfx::Size>& window_sizes);
@@ skipping 43 matching lines @@
   base::CancelableClosure render_task_;
   base::TimeTicks vsync_timebase_;
   base::TimeDelta vsync_interval_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderingHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_