Update from https://crrev.com/304418

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"
@@ skipping 226 matching lines @@
 void Scheduler::DidSwapBuffers() {
   state_machine_.DidSwapBuffers();
 
   // There is no need to call ProcessScheduledActions here because
   // swapping should not trigger any new actions.
   if (!inside_process_scheduled_actions_) {
     DCHECK_EQ(state_machine_.NextAction(), SchedulerStateMachine::ACTION_NONE);
   }
 }
 
-void Scheduler::SetSwapUsedIncompleteTile(bool used_incomplete_tile) {
-  state_machine_.SetSwapUsedIncompleteTile(used_incomplete_tile);
-  ProcessScheduledActions();
-}
-
 void Scheduler::DidSwapBuffersComplete() {
   state_machine_.DidSwapBuffersComplete();
   ProcessScheduledActions();
 }
 
 void Scheduler::SetImplLatencyTakesPriority(bool impl_latency_takes_priority) {
   state_machine_.SetImplLatencyTakesPriority(impl_latency_takes_priority);
   ProcessScheduledActions();
 }
 
@@ skipping 208 matching lines @@
                          begin_retro_frame_args_.front().AsValue());
     begin_retro_frame_args_.pop_front();
     frame_source_->DidFinishFrame(begin_retro_frame_args_.size());
   }
 
   if (begin_retro_frame_args_.empty()) {
     TRACE_EVENT_INSTANT0("cc",
                          "Scheduler::BeginRetroFrames all expired",
                          TRACE_EVENT_SCOPE_THREAD);
   } else {
-    BeginImplFrame(begin_retro_frame_args_.front());
+    BeginFrameArgs front = begin_retro_frame_args_.front();
     begin_retro_frame_args_.pop_front();
+    BeginImplFrame(front);
   }
 }
 
 // There could be a race between the posted BeginRetroFrame and a new
 // BeginFrame arriving via the normal mechanism. Scheduler::BeginFrame
 // will check if there is a pending BeginRetroFrame to ensure we handle
 // BeginFrames in FIFO order.
 void Scheduler::PostBeginRetroFrameIfNeeded() {
   TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("cc.debug.scheduler"),
                "Scheduler::PostBeginRetroFrameIfNeeded",
@@ skipping 170 matching lines @@
         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_SYNC_TREE:
         client_->ScheduledActionActivateSyncTree();
         break;
       case SchedulerStateMachine::ACTION_DRAW_AND_SWAP_IF_POSSIBLE:
         DrawAndSwapIfPossible();
         break;
       case SchedulerStateMachine::ACTION_DRAW_AND_SWAP_FORCED:
         client_->ScheduledActionDrawAndSwapForced();
         break;
       case SchedulerStateMachine::ACTION_DRAW_AND_SWAP_ABORT:
@@ skipping 99 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