cc: Split animating and drawing into separate actions

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 <algorithm>
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 156 matching lines @@
 void Scheduler::SetNeedsForcedCommitForReadback() {
   state_machine_.SetNeedsForcedCommitForReadback();
   ProcessScheduledActions();
 }
 
 void Scheduler::SetNeedsRedraw() {
   state_machine_.SetNeedsRedraw();
   ProcessScheduledActions();
 }
 
+void Scheduler::SetNeedsAnimate() {
+  state_machine_.SetNeedsAnimate();
+  ProcessScheduledActions();
+}
+
 void Scheduler::SetNeedsManageTiles() {
   DCHECK(!IsInsideAction(SchedulerStateMachine::ACTION_MANAGE_TILES));
   state_machine_.SetNeedsManageTiles();
   ProcessScheduledActions();
 }
 
 void Scheduler::SetMaxSwapsPending(int max) {
   state_machine_.SetMaxSwapsPending(max);
 }
 
@@ skipping 436 matching lines @@
     TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("cc.debug.scheduler"),
                  "SchedulerStateMachine",
                  "state",
                  TracedValue::FromValue(StateAsValue().release()));
     state_machine_.UpdateState(action);
     base::AutoReset<SchedulerStateMachine::Action>
         mark_inside_action(&inside_action_, action);
     switch (action) {
       case SchedulerStateMachine::ACTION_NONE:
         break;
+      case SchedulerStateMachine::ACTION_ANIMATE:
+        client_->ScheduledActionAnimate();
+        break;
       case SchedulerStateMachine::ACTION_SEND_BEGIN_MAIN_FRAME:
         client_->ScheduledActionSendBeginMainFrame();
         break;
       case SchedulerStateMachine::ACTION_COMMIT:
         client_->ScheduledActionCommit();
         break;
       case SchedulerStateMachine::ACTION_UPDATE_VISIBLE_TILES:
         client_->ScheduledActionUpdateVisibleTiles();
         break;
       case SchedulerStateMachine::ACTION_ACTIVATE_PENDING_TREE:
@@ skipping 85 matching lines @@
 }
 
 bool Scheduler::IsBeginMainFrameSentOrStarted() const {
   return (state_machine_.commit_state() ==
               SchedulerStateMachine::COMMIT_STATE_BEGIN_MAIN_FRAME_SENT ||
           state_machine_.commit_state() ==
               SchedulerStateMachine::COMMIT_STATE_BEGIN_MAIN_FRAME_STARTED);
 }
 
 }  // namespace cc