cc: Make BackToBackBeginFrameSource a SyntheticBeginFrameSource.

cc/test/scheduler_test_common.cc

 // Copyright 2012 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/test/scheduler_test_common.h"
 
 #include <stddef.h>
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "cc/debug/rendering_stats_instrumentation.h"
 
 namespace cc {
 
 void FakeDelayBasedTimeSourceClient::OnTimerTick() {
   tick_called_ = true;
 }
 
 base::TimeTicks FakeDelayBasedTimeSource::Now() const { return now_; }
 
 TestDelayBasedTimeSource::TestDelayBasedTimeSource(
     base::SimpleTestTickClock* now_src,
-    base::TimeDelta interval,
     OrderedSimpleTaskRunner* task_runner)
-    : DelayBasedTimeSource(interval, task_runner), now_src_(now_src) {
-}
+    : DelayBasedTimeSource(task_runner), now_src_(now_src) {}
 
 base::TimeTicks TestDelayBasedTimeSource::Now() const {
   return now_src_->NowTicks();
 }
 
 std::string TestDelayBasedTimeSource::TypeString() const {
   return "TestDelayBasedTimeSource";
 }
 
 TestDelayBasedTimeSource::~TestDelayBasedTimeSource() {
 }
 
-FakeBeginFrameSource::FakeBeginFrameSource() {}
-
-FakeBeginFrameSource::~FakeBeginFrameSource() {}
-
-TestBackToBackBeginFrameSource::TestBackToBackBeginFrameSource(
-    base::SimpleTestTickClock* now_src,
-    base::SingleThreadTaskRunner* task_runner)
-    : BackToBackBeginFrameSource(task_runner), now_src_(now_src) {
-}
-
-TestBackToBackBeginFrameSource::~TestBackToBackBeginFrameSource() {
-}
-
-base::TimeTicks TestBackToBackBeginFrameSource::Now() {
-  return now_src_->NowTicks();
-}
-
-TestSyntheticBeginFrameSource::TestSyntheticBeginFrameSource(
-    base::SimpleTestTickClock* now_src,
-    OrderedSimpleTaskRunner* task_runner,
-    base::TimeDelta initial_interval)
-    : SyntheticBeginFrameSource(
-          TestDelayBasedTimeSource::Create(now_src,
-                                           initial_interval,
-                                           task_runner)) {}
-
-TestSyntheticBeginFrameSource::~TestSyntheticBeginFrameSource() {
-}
-
 std::unique_ptr<FakeCompositorTimingHistory>
 FakeCompositorTimingHistory::Create(
     bool using_synchronous_renderer_compositor) {
   std::unique_ptr<RenderingStatsInstrumentation>
       rendering_stats_instrumentation = RenderingStatsInstrumentation::Create();
   return base::WrapUnique(new FakeCompositorTimingHistory(
       using_synchronous_renderer_compositor,
       std::move(rendering_stats_instrumentation)));
 }
 
@@ skipping 120 matching lines @@
       now_src_(now_src) {}
 
 base::TimeTicks TestScheduler::Now() const {
   return now_src_->NowTicks();
 }
 
 TestScheduler::~TestScheduler() {
 }
 
 }  // namespace cc