[Mac] Move ScopedSendingEvent from content/common/mac to base/mac.

base/mac/scoped_sending_event.h

Index: base/mac/scoped_sending_event.h
diff --git a/content/common/mac/scoped_sending_event.h b/base/mac/scoped_sending_event.h
similarity index 87%
rename from content/common/mac/scoped_sending_event.h
rename to base/mac/scoped_sending_event.h
index 160edeb37b9261e3b383d5a873ce0366df71081f..fcc984f5eb2d014f5b806309b90a83fcb150cd8e 100644
--- a/content/common/mac/scoped_sending_event.h
+++ b/base/mac/scoped_sending_event.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_COMMON_MAC_SCOPED_SENDING_EVENT_H_
-#define CONTENT_COMMON_MAC_SCOPED_SENDING_EVENT_H_
+#ifndef BASE_MAC_SCOPED_SENDING_EVENT_H_
+#define BASE_MAC_SCOPED_SENDING_EVENT_H_
 #pragma once
 
 #include "base/basictypes.h"
@@ -26,7 +26,7 @@
 - (void)setHandlingSendEvent:(BOOL)handlingSendEvent;
 @end
 
-namespace content {
+namespace base {
 namespace mac {
 
 class ScopedSendingEvent {
@@ -44,6 +44,6 @@ class ScopedSendingEvent {
 };
 
 }  // namespace mac
-}  // namespace content
+}  // namespace base
 
-#endif  // CONTENT_COMMON_MAC_SCOPED_SENDING_EVENT_H_
+#endif  // BASE_MAC_SCOPED_SENDING_EVENT_H_