[SystemInfo API] Rewrite storage info provider using storage monitor impl.

chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js

Index: chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js
diff --git a/chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js b/chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js
index c762a4b71fde67ea58157e26527508290585408c..0e5b7c5c2535a265bdd1c28ce57e8c3e9ed249c4 100644
--- a/chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js
+++ b/chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js
@@ -8,7 +8,8 @@ chrome.systemInfo = chrome.experimental.systemInfo;
 
 // Testing data should be the same as that in system_info_storage_apitest.cc
 var testData = {
-  id: "/media/usb1",
+  id: "transient:0004",
+  name: "/media/usb1",
   type: "removable",
   capacity: 4098
 };
@@ -19,6 +20,7 @@ chrome.test.runTests([
       chrome.systemInfo.storage.onAttached,
       function listener(info) {
         chrome.test.assertEq(testData.id, info.id);
+        chrome.test.assertEq(testData.name, info.name);
         chrome.test.assertEq(testData.type, info.type);
         chrome.test.assertEq(testData.capacity, info.capacity);
       }