Move fileapi-related files from webkit/common/ to storage/common/ and set up redirect headers

storage/common/data_element.cc

Index: storage/common/data_element.cc
diff --git a/webkit/common/data_element.cc b/storage/common/data_element.cc
similarity index 94%
rename from webkit/common/data_element.cc
rename to storage/common/data_element.cc
index 024abe4824a25cc5f94b5bdfcc167658039fd988..c6d52f4dac646af95feb85a26ce35aa2c8075db3 100644
--- a/webkit/common/data_element.cc
+++ b/storage/common/data_element.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "webkit/common/data_element.h"
+#include "storage/common/data_element.h"
 
 namespace storage {
 
@@ -46,4 +46,4 @@ void DataElement::SetToFileSystemUrlRange(
   expected_modification_time_ = expected_modification_time;
 }
 
-}  // webkit_common
+}  // namespace storage