[SystemInfo API] Move Storage API out of experimental namespace and rename to the "system" namespace

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

Index: chrome/test/data/extensions/api_test/system/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/system/storage_attachment/test_storage_api.js
similarity index 75%
rename from chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js
rename to chrome/test/data/extensions/api_test/system/storage_attachment/test_storage_api.js
index 0e5b7c5c2535a265bdd1c28ce57e8c3e9ed249c4..abcfec505419036e2a7951ba7bb548af3ca7d973 100644
--- a/chrome/test/data/extensions/api_test/systeminfo/storage_attachment/test_storage_api.js
+++ b/chrome/test/data/extensions/api_test/system/storage_attachment/test_storage_api.js
@@ -2,11 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// systemInfo.storage api test
-// browser_tests --gtest_filter=SystemInfoStorageApiTest.Storage
-chrome.systemInfo = chrome.experimental.systemInfo;
+// system.storage api test
+// browser_tests --gtest_filter=SystemStorageApiTest.Storage
 
-// Testing data should be the same as that in system_info_storage_apitest.cc
+// Testing data should be the same as that in system_storage_apitest.cc
 var testData = {
   id: "transient:0004",
   name: "/media/usb1",
@@ -17,7 +16,7 @@ var testData = {
 chrome.test.runTests([
   function testAttachedEvent() {
     chrome.test.listenOnce(
-      chrome.systemInfo.storage.onAttached,
+      chrome.system.storage.onAttached,
       function listener(info) {
         chrome.test.assertEq(testData.id, info.id);
         chrome.test.assertEq(testData.name, info.name);
@@ -32,7 +31,7 @@ chrome.test.runTests([
 
   function testDetachedEvent() {
     chrome.test.listenOnce(
-      chrome.systemInfo.storage.onDetached,
+      chrome.system.storage.onDetached,
       function listener(id) {
         chrome.test.assertEq(testData.id, id);
       }