Move blink scheduler implementation into a component

components/scheduler/child/webthread_base.h

Index: components/scheduler/child/webthread_base.h
diff --git a/content/child/webthread_base.h b/components/scheduler/child/webthread_base.h
similarity index 85%
rename from content/child/webthread_base.h
rename to components/scheduler/child/webthread_base.h
index 5d6ebb9b0f05ff1855116f80870e2d8fda1ad696..c7f8656249373df76fc54484bab661d9cef229d5 100644
--- a/content/child/webthread_base.h
+++ b/components/scheduler/child/webthread_base.h
@@ -2,24 +2,24 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_CHILD_WEBTHREAD_BASE_H_
-#define CONTENT_CHILD_WEBTHREAD_BASE_H_
+#ifndef COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_
+#define COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread.h"
-#include "content/common/content_export.h"
+#include "components/scheduler/scheduler_export.h"
 #include "third_party/WebKit/public/platform/WebThread.h"
 
 namespace blink {
 class WebTraceLocation;
 }
 
-namespace content {
+namespace scheduler {
 class SingleThreadIdleTaskRunner;
 
-class CONTENT_EXPORT WebThreadBase : public blink::WebThread {
+class SCHEDULER_EXPORT WebThreadBase : public blink::WebThread {
  public:
   virtual ~WebThreadBase();
 
@@ -48,7 +48,7 @@ class CONTENT_EXPORT WebThreadBase : public blink::WebThread {
 
   // Returns the base::Bind-compatible task runner for posting idle tasks to
   // this thread. Can be called from any thread.
-  virtual SingleThreadIdleTaskRunner* IdleTaskRunner() const = 0;
+  virtual scheduler::SingleThreadIdleTaskRunner* IdleTaskRunner() const = 0;
 
  protected:
   class TaskObserverAdapter;
@@ -75,6 +75,6 @@ class CONTENT_EXPORT WebThreadBase : public blink::WebThread {
   TaskObserverMap task_observer_map_;
 };
 
-}  // namespace content
+}  // namespace scheduler
 
-#endif  // CONTENT_CHILD_WEBTHREAD_BASE_H_
+#endif  // COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_