[Media Gallery] Added code to support mtp device media file system on Windows.

chrome/browser/system_monitor/removable_device_notifications_window_win.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/system_monitor/removable_device_notifications_window_win.h"
 
 #include <windows.h>
 #include <dbt.h>
 #include <fileapi.h>
 
@@ skipping 70 matching lines @@
   window_class_ = RegisterClassEx(&window_class);
   DCHECK(window_class_);
 
   window_ = CreateWindow(MAKEINTATOM(window_class_), 0, 0, 0, 0, 0, 0, 0, 0,
                          instance_, 0);
   SetWindowLongPtr(window_, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
   volume_mount_watcher_->Init();
   portable_device_watcher_->Init(window_);
 }
 
+bool RemovableDeviceNotificationsWindowWin::GetMTPStorageInfoFromDeviceId(
+    const std::string& storage_device_id,
+    string16* device_location,
+    string16* storage_object_id) {
+  MediaStorageUtil::Type type;
+  MediaStorageUtil::CrackDeviceId(storage_device_id, &type, NULL);
+  if (type != MediaStorageUtil::MTP_OR_PTP)
+    return false;
+  return portable_device_watcher_->GetMTPStorageInfoFromDeviceId(
+      storage_device_id, device_location, storage_object_id);

[Peter Kasting, 2012/11/01 21:38:37]

Nit: Or just:

  return (type == MediaStorageUtil::MTP_OR_PTP) &&
      portable_device_watcher_->GetMTPStorageInfoFromDeviceId(
          storage_device_id, device_location, storage_object_id);

[kmadhusu, 2012/11/02 03:27:16]

Done.

+}
+
 bool RemovableDeviceNotificationsWindowWin::GetDeviceInfoForPath(
     const FilePath& path,
     base::SystemMonitor::RemovableStorageInfo* device_info) {
   string16 location;
   std::string unique_id;
   string16 name;
   bool removable;
   if (!GetDeviceInfo(path, &location, &unique_id, &name, &removable))
     return false;
 
@@ skipping 66 matching lines @@
                                               unique_id, name, removable);
 }
 
 void RemovableDeviceNotificationsWindowWin::OnDeviceChange(UINT event_type,
                                                            LPARAM data) {
   volume_mount_watcher_->OnWindowMessage(event_type, data);
   portable_device_watcher_->OnWindowMessage(event_type, data);
 }
 
 }  // namespace chrome