cc: Add MainAndImplFrameTimeDelta UMA.

cc/scheduler/scheduler_state_machine.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_state_machine.h"
 
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 935 matching lines @@
       !has_pending_tree_)
     return true;
 
   // Prioritize impl-thread draws in ImplLatencyTakesPriority mode.
   if (ImplLatencyTakesPriority())
     return true;
 
   return false;
 }
 
-bool SchedulerStateMachine::main_thread_missed_last_deadline() const {
-  return main_thread_missed_last_deadline_;
-}
-
 bool SchedulerStateMachine::SwapThrottled() const {
   return pending_swaps_ >= kMaxPendingSwaps;
 }
 
 void SchedulerStateMachine::SetVisible(bool visible) {
   if (visible_ == visible)
     return;
 
   visible_ = visible;
 
@@ skipping 165 matching lines @@
     case OUTPUT_SURFACE_ACTIVE:
     case OUTPUT_SURFACE_WAITING_FOR_FIRST_COMMIT:
     case OUTPUT_SURFACE_WAITING_FOR_FIRST_ACTIVATION:
       return true;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace cc