cc: Simplify and rename MainThreadIsInHighLatency logic

cc/test/scheduler_test_common.h

 // 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.
 
 #ifndef CC_TEST_SCHEDULER_TEST_COMMON_H_
 #define CC_TEST_SCHEDULER_TEST_COMMON_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 202 matching lines @@
     return begin_retro_frame_args_.empty();
   }
 
   bool CanStart() const { return state_machine_.CanStartForTesting(); }
 
   bool NeedsCommit() const { return state_machine_.needs_commit(); }
 
   BeginFrameSource& frame_source() { return *frame_source_; }
   bool FrameProductionThrottled() { return throttle_frame_production_; }
 
-  bool MainThreadIsInHighLatencyMode() const {
-    return state_machine_.MainThreadIsInHighLatencyMode();
+  bool MainThreadMissedLastDeadline() const {
+    return state_machine_.main_thread_missed_last_deadline();
   }
 
   bool WasSwapThrottledAtLastBeginFrame() const {
     return was_swap_throttled_at_last_begin_frame_;
   }
 
   ~TestScheduler() override;
 
   base::TimeDelta BeginImplFrameInterval() {
     return begin_impl_frame_tracker_.Interval();
@@ skipping 18 matching lines @@
 
   base::SimpleTestTickClock* now_src_;
   bool was_swap_throttled_at_last_begin_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(TestScheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_SCHEDULER_TEST_COMMON_H_