Mount MTP devices in Chrome OS Files.app.

components/storage_monitor/storage_info.cc

 // Copyright 2014 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 "components/storage_monitor/storage_info.h"
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/storage_monitor/media_storage_util.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 162 matching lines @@
   Type type;
   return CrackDeviceId(device_id, &type, NULL) && type == IPHOTO;
 }
 
 // static
 bool StorageInfo::IsPicasaDevice(const std::string& device_id) {
   Type type;
   return CrackDeviceId(device_id, &type, NULL) && type == PICASA;
 }
 
+// static
+bool StorageInfo::IsMTPDevice(const std::string& device_id) {
+  Type type;
+  return CrackDeviceId(device_id, &type, NULL) && type == MTP_OR_PTP;
+}
+
 base::string16 StorageInfo::GetDisplayName(bool with_size) const {
   return GetDisplayNameWithOverride(base::string16(), with_size);
 }
 
 base::string16 StorageInfo::GetDisplayNameWithOverride(
     const base::string16& override_display_name, bool with_size) const {
   if (!IsRemovableDevice(device_id_)) {
     if (!storage_label_.empty())
       return storage_label_;
     return base::FilePath(location_).LossyDisplayName();
   }
 
   base::string16 name = override_display_name;
   if (name.empty())
     name = storage_label_;
   if (name.empty())
     name = GetFullProductName(vendor_name_, model_name_);
   if (name.empty())
     name = base::ASCIIToUTF16("Unlabeled device");
 
   if (with_size)
     name = GetDisplayNameForDevice(total_size_in_bytes_, name);
   return name;
 }
 
 }  // namespace storage_monitor