drive: Rename 'gdata' namespace to 'drive' in chrome/browser/chromeos/drive

chrome/browser/chromeos/drive/drive_file_error.h

Index: chrome/browser/chromeos/drive/drive_file_error.h
diff --git a/chrome/browser/chromeos/drive/drive_file_error.h b/chrome/browser/chromeos/drive/drive_file_error.h
index 9b726e92306685e139e0589d134cff62a4923b25..7f3bdcbfd2312a183b23b84f0e8c9f206671a125 100644
--- a/chrome/browser/chromeos/drive/drive_file_error.h
+++ b/chrome/browser/chromeos/drive/drive_file_error.h
@@ -7,7 +7,7 @@
 
 #include "base/platform_file.h"
 
-namespace gdata {
+namespace drive {
 
 enum DriveFileError {
   DRIVE_FILE_OK = 0,
@@ -32,6 +32,6 @@ enum DriveFileError {
 // Returns a PlatformFileError that corresponds to the DriveFileError provided.
 base::PlatformFileError DriveFileErrorToPlatformError(DriveFileError error);
 
-}  // namespace gdata
+}  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_FILE_ERROR_H_