Move IDMap from base/ to common/

chrome/common/id_map.h

Index: chrome/common/id_map.h
diff --git a/base/id_map.h b/chrome/common/id_map.h
similarity index 96%
rename from base/id_map.h
rename to chrome/common/id_map.h
index 9f6111e5c5d2feaa7d2cde5d82e5ef3bcea93d39..5d8d40a4b5ac5fc51294a50bdf2d7e3b57f2b308 100644
--- a/base/id_map.h
+++ b/chrome/common/id_map.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 BASE_ID_MAP_H__
-#define BASE_ID_MAP_H__
+#ifndef CHROME_COMMON_ID_MAP_H_
+#define CHROME_COMMON_ID_MAP_H_
 
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
@@ -101,4 +101,4 @@ class IDMap {
   bool check_on_null_data_;
 };
 
-#endif  // BASE_ID_MAP_H__
+#endif  // CHROME_COMMON_ID_MAP_H_