scheduler: Add a base directory

components/scheduler/base/cancelable_closure_holder.cc

Index: components/scheduler/base/cancelable_closure_holder.cc
diff --git a/components/scheduler/child/cancelable_closure_holder.cc b/components/scheduler/base/cancelable_closure_holder.cc
similarity index 77%
rename from components/scheduler/child/cancelable_closure_holder.cc
rename to components/scheduler/base/cancelable_closure_holder.cc
index 0e1660a948115f914377f67ffe830cdb113c19ff..54c1462f5d33002c30eab94a21f750693b4c452b 100644
--- a/components/scheduler/child/cancelable_closure_holder.cc
+++ b/components/scheduler/base/cancelable_closure_holder.cc
@@ -2,15 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/scheduler/child/cancelable_closure_holder.h"
+#include "components/scheduler/base/cancelable_closure_holder.h"
 
 namespace scheduler {
 
-CancelableClosureHolder::CancelableClosureHolder() {
-}
+CancelableClosureHolder::CancelableClosureHolder() {}
 
-CancelableClosureHolder::~CancelableClosureHolder() {
-}
+CancelableClosureHolder::~CancelableClosureHolder() {}
 
 void CancelableClosureHolder::Reset(const base::Closure& callback) {
   callback_ = callback;