[Media Gallery][ChromeOS] Improve device media gallery names.

chrome/browser/system_monitor/removable_device_notifications_chromeos.h

Index: chrome/browser/system_monitor/removable_device_notifications_chromeos.h
diff --git a/chrome/browser/system_monitor/removable_device_notifications_chromeos.h b/chrome/browser/system_monitor/removable_device_notifications_chromeos.h
index a767e8557441c152b02f05c7e4570256a34c4570..15082e6a2ad71bc6a73549c989e914bda0115df1 100644
--- a/chrome/browser/system_monitor/removable_device_notifications_chromeos.h
+++ b/chrome/browser/system_monitor/removable_device_notifications_chromeos.h
@@ -60,12 +60,23 @@ class RemovableDeviceNotificationsCros
       const FilePath& path,
       base::SystemMonitor::RemovableStorageInfo* device_info) const;
 
+  // Returns the storage size information of the device present at |location|.
+  // If the requested information is unavailable, returns an empty string.
+  string16 GetStorageSizeInfo(const std::string& location);
+
  private:
+  struct StorageObjectInfo {
+    // Basic details {storage device name, location and identifier}.
+    base::SystemMonitor::RemovableStorageInfo storage_info;
+
+    // Device storage size, e.g "4GB", "15MB".
+    string16 storage_size_info;
+  };
+
   friend class base::RefCountedThreadSafe<RemovableDeviceNotificationsCros>;
 
   // Mapping of mount path to removable mass storage info.
-  typedef std::map<std::string, base::SystemMonitor::RemovableStorageInfo>
-      MountMap;
+  typedef std::map<std::string, StorageObjectInfo> MountMap;
 
   // Private to avoid code deleting the object.
   virtual ~RemovableDeviceNotificationsCros();