Webview tag creation should be using storage partitions.

chrome/test/data/extensions/platform_apps/web_view_isolation/storage.js

Index: chrome/test/data/extensions/platform_apps/web_view_isolation/storage.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view_isolation/storage.js b/chrome/test/data/extensions/platform_apps/web_view_isolation/storage.js
new file mode 100644
index 0000000000000000000000000000000000000000..df84bf5ec9ed8912e3112b2835b3e6a3190815fe
--- /dev/null
+++ b/chrome/test/data/extensions/platform_apps/web_view_isolation/storage.js
@@ -0,0 +1,74 @@
+// 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.
+

[awong, 2012/11/02 21:56:13]

Can we add a comment explaining the basic action/output structure of this test
so you don't have to read all the code?

I'm thinking something that explain that a call to initIDB() should result in
"idb created" int he title bar or similar.

[nasko, 2012/11/03 00:36:24]

Done.

+function initDomStorage(value) {
+  window.localStorage.setItem('foo', 'local-' + value);
+  window.sessionStorage.setItem('foo', 'session-' + value);
+}
+

[awong, 2012/11/02 21:56:13]

whack extra newline.

[nasko, 2012/11/03 00:36:24]

Done.

+
+var isolation = {};
+window.indexedDB = window.indexedDB || window.webkitIndexedDB;
+
+isolation.db = null;
+isolation.onerror = function(e) {
+  document.title = "error";
+};
+
+function initIDB() {
+  var request = indexedDB.open("isolation");
+  request.onsuccess = function(e) {

[awong, 2012/11/02 21:56:13]

holy crap this is a complicated API.

[nasko, 2012/11/03 00:36:24]

: )

+    var v = 3;
+    isolation.db = e.target.result;
+    if (v != isolation.db.version) {
+      var setVrequest = isolation.db.setVersion(v);
+      setVrequest.onerror = isolation.onerror;
+      setVrequest.onsuccess = function(e) {
+        var store = isolation.db.createObjectStore(
+            "partitions", {keyPath: "id"});
+        e.target.transaction.oncomplete = function() {
+          document.title = "idb created";
+        }
+      };
+    } else {
+      document.title = "idb open";
+    }
+  };
+  request.onerror = isolation.onerror;
+}
+
+function addItemIDB(id, value) {
+  var trans = isolation.db.transaction(["partitions"], "readwrite");
+  var store = trans.objectStore("partitions");
+  var data = { "partition": value, "id": id };
+
+  var request = store.put(data);
+  request.onsuccess = function(e) {
+    document.title = "addItemIDB complete";
+  };
+  request.onerror = isolation.onerror;
+};
+
+var partition = null;
+
+function getValueIDB() {
+  return partition;
+}
+
+function readItemIDB(id) {
+  partition = null;
+  var trans = isolation.db.transaction(["partitions"], "readwrite");
+  var store = trans.objectStore("partitions");
+
+  var request = store.get(id);
+  request.onsuccess = function(e) {
+    if (!!e.target.result != false) {
+      partition = request.result.partition;
+    }
+    document.title = "readItemIDB complete";
+  }

[awong, 2012/11/02 21:56:13]

need ; to be safe

[nasko, 2012/11/03 00:36:24]

Done.

+  request.onerror = isolation.onerror;
+}
+
+