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

content/common/gpu/media/rendering_helper.cc

 // 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.
 
 #include "content/common/gpu/media/rendering_helper.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <numeric>
@@ skipping 142 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(StubOzoneDelegate);
 };
 
 #endif  // defined(USE_OZONE)
 
 RenderingHelperParams::RenderingHelperParams()
     : rendering_fps(0), warm_up_iterations(0), render_as_thumbnails(false) {
 }
 
+RenderingHelperParams::RenderingHelperParams(
+    const RenderingHelperParams& other) = default;
+
 RenderingHelperParams::~RenderingHelperParams() {}
 
 VideoFrameTexture::VideoFrameTexture(uint32_t texture_target,
                                      uint32_t texture_id,
                                      const base::Closure& no_longer_needed_cb)
     : texture_target_(texture_target),
       texture_id_(texture_id),
       no_longer_needed_cb_(no_longer_needed_cb) {
   DCHECK(!no_longer_needed_cb_.is_null());
 }
 
 VideoFrameTexture::~VideoFrameTexture() {
   base::ResetAndReturn(&no_longer_needed_cb_).Run();
 }
 
 RenderingHelper::RenderedVideo::RenderedVideo()
     : is_flushing(false), frames_to_drop(0) {
 }
 
+RenderingHelper::RenderedVideo::RenderedVideo(const RenderedVideo& other) =
+    default;
+
 RenderingHelper::RenderedVideo::~RenderedVideo() {
 }
 
 // static
 void RenderingHelper::InitializeOneOff(base::WaitableEvent* done) {
   base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
 #if GL_VARIANT_GLX
   cmd_line->AppendSwitchASCII(switches::kUseGL,
                               gfx::kGLImplementationDesktopName);
 #else
@@ skipping 693 matching lines @@
   // When the rendering falls behind, drops frames.
   while (scheduled_render_time_ < target) {
     scheduled_render_time_ += frame_duration_;
     DropOneFrameForAllVideos();
   }
 
   message_loop_->PostDelayedTask(
       FROM_HERE, render_task_.callback(), target - now);
 }
 }  // namespace content