cc: Remove BeginFrameSource::Create methods

cc/scheduler/scheduler_unittest.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.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
@@ skipping 239 matching lines @@
     now_src_->Advance(base::TimeDelta::FromMilliseconds(100));
     // Fail if we need to run 100 tasks in a row.
     task_runner_->SetRunTaskLimit(100);
   }
 
   ~SchedulerTest() override {}
 
  protected:
   TestScheduler* CreateScheduler() {
     BeginFrameSource* frame_source;
-    unthrottled_frame_source_ = TestBackToBackBeginFrameSource::Create(
-        now_src_.get(), task_runner_.get());
+    unthrottled_frame_source_.reset(
+        new TestBackToBackBeginFrameSource(now_src_.get(), task_runner_.get()));
     fake_external_begin_frame_source_.reset(
         new FakeExternalBeginFrameSource(client_.get()));
-    synthetic_frame_source_ = TestSyntheticBeginFrameSource::Create(
-        now_src_.get(), task_runner_.get(), BeginFrameArgs::DefaultInterval());
+    synthetic_frame_source_.reset(new TestSyntheticBeginFrameSource(
+        now_src_.get(), task_runner_.get(), BeginFrameArgs::DefaultInterval()));
     if (!scheduler_settings_.throttle_frame_production) {
       frame_source = unthrottled_frame_source_.get();
     } else if (scheduler_settings_.use_external_begin_frame_source) {
       frame_source = fake_external_begin_frame_source_.get();
     } else {
       frame_source = synthetic_frame_source_.get();
     }
 
     scoped_ptr<FakeCompositorTimingHistory> fake_compositor_timing_history =
         FakeCompositorTimingHistory::Create(
@@ skipping 3574 matching lines @@
 }
 
 TEST_F(SchedulerTest, BeginMainFrameOnCriticalPath_AHS) {
   EXPECT_FALSE(BeginMainFrameOnCriticalPath(
       SMOOTHNESS_TAKES_PRIORITY,
       ScrollHandlerState::SCROLL_AFFECTS_SCROLL_HANDLER, kSlowDuration));
 }
 
 }  // namespace
 }  // namespace cc