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

chrome/browser/chromeos/drive/drive_file_system_util_unittest.cc

 // Copyright (c) 2012 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/chromeos/drive/drive_file_system_util.h"
 
 #include "base/file_path.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace gdata {
+namespace drive {
 namespace util {
 
 TEST(DriveFileSystemUtilTest, IsUnderDriveMountPoint) {
   EXPECT_FALSE(IsUnderDriveMountPoint(
       FilePath::FromUTF8Unsafe("/wherever/foo.txt")));
   EXPECT_FALSE(IsUnderDriveMountPoint(
       FilePath::FromUTF8Unsafe("/special/foo.txt")));
   EXPECT_FALSE(IsUnderDriveMountPoint(
       FilePath::FromUTF8Unsafe("/special/drivex/foo.txt")));
   EXPECT_FALSE(IsUnderDriveMountPoint(
@@ skipping 83 matching lines @@
           "/home/user/GCache/v1/pinned/pdf:a1b2"),
       &resource_id,
       &md5,
       &extra_extension);
   EXPECT_EQ(resource_id, "pdf:a1b2");
   EXPECT_EQ(md5, "");
   EXPECT_EQ(extra_extension, "");
 }
 
 }  // namespace util
-}  // namespace gdata
+}  // namespace drive