Move blink scheduler implementation into a component

components/scheduler/child/test_time_source.h

 // Copyright 2015 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 CONTENT_TEST_TEST_TIME_SOURCE_H_
-#define CONTENT_TEST_TEST_TIME_SOURCE_H_
+#ifndef COMPONENTS_SCHEDULER_CHILD_TEST_TIME_SOURCE_H_
+#define COMPONENTS_SCHEDULER_CHILD_TEST_TIME_SOURCE_H_
 
 #include "base/memory/ref_counted.h"
-#include "content/child/scheduler/time_source.h"
+#include "components/scheduler/child/time_source.h"
 
 namespace cc {
 class TestNowSource;
 }
 
-namespace content {
+namespace scheduler {
 
 class TestTimeSource : public TimeSource {
  public:
   explicit TestTimeSource(scoped_refptr<cc::TestNowSource> time_source);
   ~TestTimeSource() override;
 
   base::TimeTicks Now() const override;
 
  private:
   scoped_refptr<cc::TestNowSource> time_source_;
 
   DISALLOW_COPY_AND_ASSIGN(TestTimeSource);
 };
 
-}  // namespace content
+}  // namespace scheduler
 
-#endif  // CONTENT_TEST_TEST_TIME_SOURCE_H_
+#endif  // COMPONENTS_SCHEDULER_CHILD_TEST_TIME_SOURCE_H_