Remove gfx::FrameTime for a single clock source

components/scheduler/renderer/renderer_scheduler_impl.cc

 // Copyright 2014 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 "components/scheduler/renderer/renderer_scheduler_impl.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/output/begin_frame_args.h"
 #include "components/scheduler/child/nestable_single_thread_task_runner.h"
 #include "components/scheduler/child/prioritizing_task_queue_selector.h"
-#include "ui/gfx/frame_time.h"
 
 namespace scheduler {
 
 RendererSchedulerImpl::RendererSchedulerImpl(
     scoped_refptr<NestableSingleThreadTaskRunner> main_task_runner)
     : helper_(main_task_runner,
               this,
               "renderer.scheduler",
               TRACE_DISABLED_BY_DEFAULT("renderer.scheduler"),
               "RendererSchedulerIdlePeriod",
@@ skipping 595 matching lines @@
       // meaningful touchstart response and should not impact task priority.
       return current_state;
 
     default:
       break;
   }
   return InputStreamState::ACTIVE;
 }
 
 }  // namespace scheduler