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

content/renderer/android/synchronous_compositor_output_surface.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/renderer/android/synchronous_compositor_output_surface.h"
 
 #include <vector>
 
 #include "base/auto_reset.h"
 #include "base/location.h"
@@ skipping 137 matching lines @@
   CancelFallbackTick();
 }
 
 void SynchronousCompositorOutputSurface::Reshape(const gfx::Size& size,
                                                  float scale_factor,
                                                  bool has_alpha) {
   // Intentional no-op: surface size is controlled by the embedder.
 }
 
 void SynchronousCompositorOutputSurface::SwapBuffers(
-    cc::CompositorFrame* frame) {
+    cc::CompositorFrame frame) {
   DCHECK(CalledOnValidThread());
   DCHECK(sync_client_);
   if (!fallback_tick_running_) {
-    sync_client_->SwapBuffers(output_surface_id_, frame);
+    sync_client_->SwapBuffers(output_surface_id_, std::move(frame));
     DeliverMessages();
   }
   client_->DidSwapBuffers();
   did_swap_ = true;
 }
 
 void SynchronousCompositorOutputSurface::CancelFallbackTick() {
   fallback_tick_.Cancel();
   fallback_tick_pending_ = false;
 }
@@ skipping 144 matching lines @@
 bool SynchronousCompositorOutputSurface::Send(IPC::Message* message) {
   DCHECK(CalledOnValidThread());
   return sender_->Send(message);
 }
 
 bool SynchronousCompositorOutputSurface::CalledOnValidThread() const {
   return thread_checker_.CalledOnValidThread();
 }
 
 }  // namespace content