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

chrome/browser/media_galleries/win/mtp_device_delegate_impl_win.cc

 // Copyright (c) 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.
 //
 // MTPDeviceDelegateImplWin implementation.
 
 #include "chrome/browser/media_galleries/win/mtp_device_delegate_impl_win.h"
 
 #include <portabledevice.h>
 
@@ skipping 26 matching lines @@
 // |storage_path| on the UI thread. Returns true if the storage details are
 // valid and returns false otherwise.
 bool GetStorageInfoOnUIThread(const string16& storage_path,
                               string16* pnp_device_id,
                               string16* storage_object_id) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   DCHECK(!storage_path.empty());
   DCHECK(pnp_device_id);
   DCHECK(storage_object_id);
   string16 storage_device_id;
-  RemoveChars(storage_path, L"\\\\", &storage_device_id);
+  base::RemoveChars(storage_path, L"\\\\", &storage_device_id);
   DCHECK(!storage_device_id.empty());
   // TODO(gbillock): Take the StorageMonitor as an argument.
   StorageMonitor* monitor = StorageMonitor::GetInstance();
   DCHECK(monitor);
   return monitor->GetMTPStorageInfoFromDeviceId(
       UTF16ToUTF8(storage_device_id), pnp_device_id, storage_object_id);
 }
 
 // Returns the object id of the file object specified by the |file_path|,
 // e.g. if the |file_path| is "\\MTP:StorageSerial:SID-{1001,,192}:125\DCIM"
@@ skipping 543 matching lines @@
         current_snapshot_details_->file_info(),
         current_snapshot_details_->request_info().snapshot_file_path);
   } else {
     current_snapshot_details_->request_info().error_callback.Run(
         base::PLATFORM_FILE_ERROR_FAILED);
   }
   task_in_progress_ = false;
   current_snapshot_details_.reset();
   ProcessNextPendingRequest();
 }