StorageMonitor: Make StorageInfo a real class.

chrome/browser/storage_monitor/image_capture_device_manager_unittest.mm

 // 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.
 
 
 #import <Foundation/Foundation.h>
 #import <ImageCaptureCore/ImageCaptureCore.h>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 271 matching lines @@
   TestCameraListener listener_;
 };
 
 TEST_F(ImageCaptureDeviceManagerTest, TestAttachDetach) {
   chrome::ImageCaptureDeviceManager manager;
   manager.SetNotifications(monitor_.receiver());
   ICCameraDevice* device = AttachDevice(&manager);
   std::vector<chrome::StorageInfo> devices = monitor_.GetAttachedStorage();
 
   ASSERT_EQ(1U, devices.size());
-  EXPECT_EQ(std::string("ic:") + kDeviceId, devices[0].device_id);
+  EXPECT_EQ(std::string("ic:") + kDeviceId, devices[0].device_id());
 
   DetachDevice(&manager, device);
   devices = monitor_.GetAttachedStorage();
   ASSERT_EQ(0U, devices.size());
 };
 
 TEST_F(ImageCaptureDeviceManagerTest, OpenCamera) {
   chrome::ImageCaptureDeviceManager manager;
   manager.SetNotifications(monitor_.receiver());
   ICCameraDevice* device = AttachDevice(&manager);
@@ skipping 136 matching lines @@
   message_loop_.RunUntilIdle();
 
   char file_contents[5];
   ASSERT_EQ(4, file_util::ReadFile(temp_file, file_contents,
                                    strlen(kTestFileContents)));
   EXPECT_EQ(kTestFileContents,
             std::string(file_contents, strlen(kTestFileContents)));
 
   [camera didRemoveDevice:device];
 }