Move GetFileSize, NormalizeFilePath to base namespace

Move GetFileSize, NormalizeFilePath to base namespace

BUG=
R=viettrungluu@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=238722

[brettw, 2013-12-03 21:07:29]

TBR=viettrungluu

[viettrungluu, 2013-12-03 21:20:18]

LGTM w/nits.

https://codereview.chromium.org/102873002/diff/1/base/file_util_unittest.cc
File base/file_util_unittest.cc (right):

https://codereview.chromium.org/102873002/diff/1/base/file_util_unittest.cc#n...
base/file_util_unittest.cc:2318: base::GetFileSize(image_file, &image_size);
Aren't we already in the base namespace? (Yes.)

https://codereview.chromium.org/102873002/diff/1/base/files/file_unittest.cc
File base/files/file_unittest.cc (right):

https://codereview.chromium.org/102873002/diff/1/base/files/file_unittest.cc#...
base/files/file_unittest.cc:12: 
Maybe the tests in this file should be put inside the base namespace too (esp.
since all of base/files/file.h is)?

https://codereview.chromium.org/102873002/diff/1/base/platform_file_unittest.cc
File base/platform_file_unittest.cc (right):

https://codereview.chromium.org/102873002/diff/1/base/platform_file_unittest....
base/platform_file_unittest.cc:1: // Copyright (c) 2012 The Chromium Authors.
All rights reserved.
Ditto for this file.

https://codereview.chromium.org/102873002/diff/1/chrome/browser/chromeos/driv...
File chrome/browser/chromeos/drive/file_system/truncate_operation_unittest.cc
(right):

https://codereview.chromium.org/102873002/diff/1/chrome/browser/chromeos/driv...
chrome/browser/chromeos/drive/file_system/truncate_operation_unittest.cc:134: } 
// namespace drive
I got bored here. I assume the rest is okay.

[brettw, 2013-12-04 18:22:57]

Committed patchset #3 manually as r238722.