Moved c/b/e/*idle* to c/b/e/api/idle/

chrome/browser/extensions/api/idle/idle_api_constants.cc

 // Copyright (c) 2010 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 "chrome/browser/extensions/extension_idle_api_constants.h"
+#include "chrome/browser/extensions/api/idle/idle_api_constants.h"
 
-namespace extension_idle_api_constants {
+namespace extensions {
+
+namespace idle_api_constants {
 
 const char kSecondsKey[] = "seconds";
 const char kStateKey[] = "state";
 
 const char kOnStateChanged[] = "idle.onStateChanged";
 
 const char kStateActive[] = "active";
 const char kStateIdle[] = "idle";
 const char kStateLocked[] = "locked";
 
-}  // namespace extension_idle_api_constants
+}  // namespace idle_api_constants
+
+}  // namespace extensions