Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.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/media_galleries/linux/mtp_device_delegate_impl_linux.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/media_galleries/linux/mtp_device_task_helper.h"
@@ skipping 160 matching lines @@
 }
 
 MTPDeviceDelegateImplLinux::MTPDeviceDelegateImplLinux(
     const std::string& device_location)
     : init_state_(UNINITIALIZED),
       task_in_progress_(false),
       device_path_(device_location),
       weak_ptr_factory_(this) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   DCHECK(!device_path_.empty());
-  RemoveChars(device_location, kRootPath, &storage_name_);
+  base::RemoveChars(device_location, kRootPath, &storage_name_);
   DCHECK(!storage_name_.empty());
 }
 
 MTPDeviceDelegateImplLinux::~MTPDeviceDelegateImplLinux() {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
 }
 
 void MTPDeviceDelegateImplLinux::GetFileInfo(
     const base::FilePath& file_path,
     const GetFileInfoSuccessCallback& success_callback,
@@ skipping 255 matching lines @@
   task_in_progress_ = false;
   ProcessNextPendingRequest();
 }
 
 void CreateMTPDeviceAsyncDelegate(
     const std::string& device_location,
     const CreateMTPDeviceAsyncDelegateCallback& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   callback.Run(new MTPDeviceDelegateImplLinux(device_location));
 }