Make cc::CompositorFrames movable [Part 1 of 2]

content/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.cc

 // Copyright 2014 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/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/output_surface_client.h"
@@ skipping 51 matching lines @@
     const {
   return true;
 }
 
 unsigned GpuSurfacelessBrowserCompositorOutputSurface::GetOverlayTextureId()
     const {
   return buffer_queue_->current_texture_id();
 }
 
 void GpuSurfacelessBrowserCompositorOutputSurface::SwapBuffers(
-    cc::CompositorFrame* frame) {
+    cc::CompositorFrame frame) {
   DCHECK(buffer_queue_);
-  buffer_queue_->SwapBuffers(frame->gl_frame_data->sub_buffer_rect);
-  GpuBrowserCompositorOutputSurface::SwapBuffers(frame);
+  buffer_queue_->SwapBuffers(frame.gl_frame_data->sub_buffer_rect);
+  GpuBrowserCompositorOutputSurface::SwapBuffers(std::move(frame));
 }
 
 void GpuSurfacelessBrowserCompositorOutputSurface::OnSwapBuffersComplete() {
   DCHECK(buffer_queue_);
   buffer_queue_->PageFlipComplete();
   GpuBrowserCompositorOutputSurface::OnSwapBuffersComplete();
 }
 
 void GpuSurfacelessBrowserCompositorOutputSurface::BindFramebuffer() {
   DCHECK(buffer_queue_);
@@ skipping 26 matching lines @@
     buffer_queue_->RecreateBuffers();
     force_swap = true;
   }
   GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted(
       latency_info, result, params_mac);
   if (force_swap)
     client_->SetNeedsRedrawRect(gfx::Rect(SurfaceSize()));
 }
 
 }  // namespace content