Remove dependency on cc::TestNowSource from scheduler code

content/renderer/scheduler/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 "content/renderer/scheduler/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"
@@ skipping 468 matching lines @@
   if (SchedulerPolicy() == Policy::TOUCHSTART_PRIORITY) {
     // Don't start a long idle task in touch start priority, try again when
     // the policy is scheduled to end.
     *next_long_idle_period_delay_out = current_policy_expiration_time_ - now;
     return false;
   }
   return true;
 }
 
 void RendererSchedulerImpl::SetTimeSourceForTesting(
-    scoped_refptr<cc::TestNowSource> time_source) {
-  helper_.SetTimeSourceForTesting(time_source);
+    scoped_ptr<TimeSource> time_source) {
+  helper_.SetTimeSourceForTesting(time_source.Pass());
 }
 
 void RendererSchedulerImpl::SetWorkBatchSizeForTesting(size_t work_batch_size) {
   helper_.SetWorkBatchSizeForTesting(work_batch_size);
 }
 
 RendererSchedulerImpl::PollableNeedsUpdateFlag::PollableNeedsUpdateFlag(
     base::Lock* write_lock_)
     : flag_(false), write_lock_(write_lock_) {
 }
@@ skipping 132 matching lines @@
       // meaningful touchstart response and should not impact task priority.
       return current_state;
 
     default:
       break;
   }
   return InputStreamState::ACTIVE;
 }
 
 }  // namespace content