Cleanup: Remove chrome namespace for storage monitor and media galleries.

chrome/browser/media_galleries/fileapi/av_scanning_file_validator.cc

 // Copyright 2013 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/media_galleries/fileapi/av_scanning_file_validator.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shlobj.h>
 #endif
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_constants.h"
 #include "content/public/browser/browser_thread.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_comptr.h"
 #endif
 
 using content::BrowserThread;
 
-namespace chrome {
-
 namespace {
 
 #if defined(OS_WIN)
 base::PlatformFileError ScanFile(
     const base::FilePath& dest_platform_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   base::win::ScopedComPtr<IAttachmentExecute> attachment_services;
   HRESULT hr = attachment_services.CreateInstance(CLSID_AttachmentServices);
 
@@ skipping 32 matching lines @@
       FROM_HERE,
       base::Bind(&ScanFile, dest_platform_path),
       result_callback);
 #else
   result_callback.Run(base::PLATFORM_FILE_OK);
 #endif
 }
 
 AVScanningFileValidator::AVScanningFileValidator() {
 }
-
-}  // namespace chrome