Upstream ios/web/ JS files

ios/web/web_state/js/resources/window_id.js

Index: ios/web/web_state/js/resources/window_id.js
diff --git a/ios/web/web_state/js/resources/window_id.js b/ios/web/web_state/js/resources/window_id.js
new file mode 100644
index 0000000000000000000000000000000000000000..73ef6707b41af41271218607081e0d0114c7cb74
--- /dev/null
+++ b/ios/web/web_state/js/resources/window_id.js
@@ -0,0 +1,31 @@
+// Copyright 2014 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.
+
+// This file adheres to closure-compiler conventions in order to enable
+// compilation with ADVANCED_OPTIMIZATIONS. See http://goo.gl/FwOgy
+
+// Script to set windowId.
+
+
+// Namespace for module, used as presence beacon for injection checks.
+__gCrWeb['windowIdObject'] = {};
+
+new function() {
+  // CRWJSWindowIdManager replaces $(WINDOW_ID) with appropriate string upon
+  // injection.
+  __gCrWeb['windowId'] = '$(WINDOW_ID)';
+
+  // Wrap queues flushing in setTimeout to avoid reentrant calls.
+  // In some circumstances setTimeout does not work on iOS8 if set from
+  // injected script. There is an assumption that it's happen when the script
+  // has been injected too early. Do not place anything important to delayed
+  // function body, since there is no guarantee that it will ever be executed.
+  // TODO(eugenebut): Find out why setTimeout does not work (crbug.com/402682).
+  window.setTimeout(function() {
+    // Send messages queued since message.js injection.
+    if (__gCrWeb.message) {
+      __gCrWeb.message.invokeQueues();
+    }
+  }, 0);
+}