cc: Rename SwapBuffers on CompositorFrameSink to SubmitCompositorFrame

cc/trees/single_thread_proxy.cc

 // Copyright 2011 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 "cc/trees/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 402 matching lines @@
   if (scheduler_on_impl_thread_)
     scheduler_on_impl_thread_->DidLoseCompositorFrameSink();
   compositor_frame_sink_lost_ = true;
 }
 
 void SingleThreadProxy::SetBeginFrameSource(BeginFrameSource* source) {
   if (scheduler_on_impl_thread_)
     scheduler_on_impl_thread_->SetBeginFrameSource(source);
 }
 
-void SingleThreadProxy::DidSwapBuffersCompleteOnImplThread() {
+void SingleThreadProxy::DidReceiveCompositorFrameAckOnImplThread() {
   TRACE_EVENT0("cc,benchmark",
-               "SingleThreadProxy::DidSwapBuffersCompleteOnImplThread");
+               "SingleThreadProxy::DidReceiveCompositorFrameAckOnImplThread");
   if (scheduler_on_impl_thread_)
-    scheduler_on_impl_thread_->DidSwapBuffersComplete();
-  layer_tree_host_->DidCompleteSwapBuffers();
+    scheduler_on_impl_thread_->DidReceiveCompositorFrameAck();
+  layer_tree_host_->DidReceiveCompositorFrameAck();
 }
 
 void SingleThreadProxy::OnDrawForCompositorFrameSink(
     bool resourceless_software_draw) {
   NOTREACHED() << "Implemented by ThreadProxy for synchronous compositor.";
 }
 
 void SingleThreadProxy::CompositeImmediately(base::TimeTicks frame_begin_time) {
   TRACE_EVENT0("cc,benchmark", "SingleThreadProxy::CompositeImmediately");
   DCHECK(task_runner_provider_->IsMainThread());
@@ skipping 104 matching lines @@
     // the swap buffers will execute first.
     DebugScopedSetMainThreadBlocked main_thread_blocked(task_runner_provider_);
     BlockingTaskRunner::CapturePostTasks blocked(
         task_runner_provider_->blocking_main_thread_task_runner());
 
     draw_result = layer_tree_host_impl_->PrepareToDraw(frame);
     draw_frame = draw_result == DRAW_SUCCESS;
     if (draw_frame) {
       if (layer_tree_host_impl_->DrawLayers(frame)) {
         if (scheduler_on_impl_thread_)
-          scheduler_on_impl_thread_->DidSwapBuffers();
+          // Drawing implies we submitted a frame to the CompositorFrameSink.
+          scheduler_on_impl_thread_->DidSubmitCompositorFrame();
         client_->DidPostSwapBuffers();
       }
     }
     layer_tree_host_impl_->DidDrawAllLayers(*frame);
 
     bool start_ready_animations = draw_frame;
     layer_tree_host_impl_->UpdateAnimationState(start_ready_animations);
   }
   DidCommitAndDrawFrame();
 
@@ skipping 117 matching lines @@
   DebugScopedSetImplThread impl(task_runner_provider_);
   DCHECK(scheduler_on_impl_thread_->CommitPending());
   DCHECK(!layer_tree_host_impl_->pending_tree());
 
   std::vector<std::unique_ptr<SwapPromise>> empty_swap_promises;
   layer_tree_host_impl_->BeginMainFrameAborted(reason,
                                                std::move(empty_swap_promises));
   scheduler_on_impl_thread_->BeginMainFrameAborted(reason);
 }
 
-DrawResult SingleThreadProxy::ScheduledActionDrawAndSwapIfPossible() {
+DrawResult SingleThreadProxy::ScheduledActionDrawIfPossible() {
   DebugScopedSetImplThread impl(task_runner_provider_);
   LayerTreeHostImpl::FrameData frame;
   return DoComposite(&frame);
 }
 
-DrawResult SingleThreadProxy::ScheduledActionDrawAndSwapForced() {
+DrawResult SingleThreadProxy::ScheduledActionDrawForced() {
   NOTREACHED();
   return INVALID_RESULT;
 }
 
 void SingleThreadProxy::ScheduledActionCommit() {
   DebugScopedSetMainThread main(task_runner_provider_);
   DoCommit();
 }
 
 void SingleThreadProxy::ScheduledActionActivateSyncTree() {
@@ skipping 34 matching lines @@
 void SingleThreadProxy::DidFinishImplFrame() {
   layer_tree_host_impl_->DidFinishImplFrame();
 #if DCHECK_IS_ON()
   DCHECK(inside_impl_frame_)
       << "DidFinishImplFrame called while not inside an impl frame!";
   inside_impl_frame_ = false;
 #endif
 }
 
 }  // namespace cc