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

chrome/browser/system_monitor/removable_storage_notifications_unittest.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 "base/message_loop.h"
 #include "base/system_monitor/system_monitor.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/system_monitor/mock_removable_storage_observer.h"
 #include "chrome/browser/system_monitor/removable_storage_notifications.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chrome {
 
 class TestStorageNotifications : public RemovableStorageNotifications {
  public:
   TestStorageNotifications() {
   }
 
   ~TestStorageNotifications() {}
 
   virtual bool GetDeviceInfoForPath(
       const FilePath& path,
       base::SystemMonitor::RemovableStorageInfo* device_info) const OVERRIDE {
     return false;
   }
   virtual uint64 GetStorageSize(const std::string& location) const OVERRIDE {
     return 0;
   }
 
+#if defined(OS_WIN)
+  virtual bool GetMTPStorageInfoFromDeviceId(
+      const std::string& storage_device_id,
+      string16* device_location,
+      string16* storage_object_id) const OVERRIDE {
+    return false;
+  }
+#endif
+
   void ProcessAttach(const std::string& id,
                      const string16& name,
                      const FilePath::StringType& location) {
     RemovableStorageNotifications::ProcessAttach(id, name, location);
   }
 
   void ProcessDetach(const std::string& id) {
     RemovableStorageNotifications::ProcessDetach(id);
   }
 };
@@ skipping 91 matching lines @@
   EXPECT_EQ(kDeviceName2, devices[0].name);
   EXPECT_EQ(kDevicePath2.value(), devices[0].location);
 
   notifications.ProcessDetach(kDeviceId2);
   message_loop.RunUntilIdle();
   devices = notifications.GetAttachedStorage();
   EXPECT_EQ(0U, devices.size());
 }
 
 }  // namespace chrome