cc: Rename VSync to BeginFrame

cc/scheduler/scheduler.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/scheduler/scheduler.h"
 
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 
 namespace cc {
 
 Scheduler::Scheduler(SchedulerClient* client,
                      scoped_ptr<FrameRateController> frame_rate_controller,
                      const SchedulerSettings& scheduler_settings)
     : settings_(scheduler_settings),
       client_(client),
       frame_rate_controller_(frame_rate_controller.Pass()),
       state_machine_(scheduler_settings),
       inside_process_scheduled_actions_(false) {
   DCHECK(client_);
   frame_rate_controller_->SetClient(this);
-  DCHECK(!state_machine_.VSyncCallbackNeeded());
+  DCHECK(!state_machine_.BeginFrameCallbackNeeded());
 }
 
 Scheduler::~Scheduler() { frame_rate_controller_->SetActive(false); }
 
 void Scheduler::SetCanStart() {
   state_machine_.SetCanStart();
   ProcessScheduledActions();
 }
 
 void Scheduler::SetVisible(bool visible) {
@@ skipping 90 matching lines @@
 
 void Scheduler::SetTimebaseAndInterval(base::TimeTicks timebase,
                                        base::TimeDelta interval) {
   frame_rate_controller_->SetTimebaseAndInterval(timebase, interval);
 }
 
 base::TimeTicks Scheduler::AnticipatedDrawTime() {
   return frame_rate_controller_->NextTickTime();
 }
 
-base::TimeTicks Scheduler::LastVSyncTime() {
+base::TimeTicks Scheduler::LastBeginFrameTime() {
   return frame_rate_controller_->LastTickTime();
 }
 
-void Scheduler::VSyncTick(bool throttled) {
-  TRACE_EVENT1("cc", "Scheduler::VSyncTick", "throttled", throttled);
+void Scheduler::BeginFrame(bool throttled) {
+  TRACE_EVENT1("cc", "Scheduler::BeginFrame", "throttled", throttled);
   if (!throttled)
-    state_machine_.DidEnterVSync();
+    state_machine_.DidEnterBeginFrame();
   ProcessScheduledActions();
   if (!throttled)
-    state_machine_.DidLeaveVSync();
+    state_machine_.DidLeaveBeginFrame();
 }
 
 void Scheduler::ProcessScheduledActions() {
   // We do not allow ProcessScheduledActions to be recursive.
   // The top-level call will iteratively execute the next action for us anyway.
   if (inside_process_scheduled_actions_)
     return;
 
   base::AutoReset<bool> mark_inside(&inside_process_scheduled_actions_, true);
 
@@ skipping 37 matching lines @@
         client_->ScheduledActionBeginOutputSurfaceCreation();
         break;
       case SchedulerStateMachine::ACTION_ACQUIRE_LAYER_TEXTURES_FOR_MAIN_THREAD:
         client_->ScheduledActionAcquireLayerTexturesForMainThread();
         break;
     }
     action = state_machine_.NextAction();
   }
 
   // Activate or deactivate the frame rate controller.
-  frame_rate_controller_->SetActive(state_machine_.VSyncCallbackNeeded());
+  frame_rate_controller_->SetActive(state_machine_.BeginFrameCallbackNeeded());
   client_->DidAnticipatedDrawTimeChange(frame_rate_controller_->NextTickTime());
 }
 
 bool Scheduler::WillDrawIfNeeded() const {
   return !state_machine_.DrawSuspendedUntilCommit();
 }
 
 }  // namespace cc