Upstream ios/web/ JS files

ios/web/web_state/js/resources/core_dynamic_wk.js

Index: ios/web/web_state/js/resources/core_dynamic_wk.js
diff --git a/ios/web/web_state/js/resources/core_dynamic_wk.js b/ios/web/web_state/js/resources/core_dynamic_wk.js
new file mode 100644
index 0000000000000000000000000000000000000000..dd91478774521590971eedeffb0eff541bd5cc23
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+++ b/ios/web/web_state/js/resources/core_dynamic_wk.js
@@ -0,0 +1,59 @@
+// 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.
+
+// Scripts that are conceptually part of core.js, but have WKWebView-specific
+// details/behaviors.
+
+goog.provide('__crweb.core_dynamic_wk');
+
+/**
+ * Namespace for this module.
+ */
+__gCrWeb.core_dynamic = {};
+
+/* Beginning of anonymous object. */
+new function() {
+  /**
+   * Adds WKWebView specific event listeners.
+   */
+  __gCrWeb.core_dynamic.addEventListeners = function() {
+    // So far there are no WKWebView specific event listeners.
+  };
+
+  /**
+   * Applies WKWebView specific document-level overrides. Script injection for
+   * WKWebView always happens after the document is presented; therefore, there
+   * is no need to provide for invoking documentInject at a later time.
+   */
+  __gCrWeb.core_dynamic.documentInject = function() {
+    // Flush the message queue.
+    if (__gCrWeb.message) {
+      __gCrWeb.message.invokeQueues();
+    }
+    return true;
+  };
+
+  /**
+   * Handles document load completion tasks. Invoked from
+   * [WKNavigationDelegate webView:didFinishNavigation:], when document load is
+   * complete.
+   */
+  __gCrWeb.didFinishNavigation = function() {
+    // Send the favicons to the browser.
+    __gCrWeb.message.invokeOnHost({'command': 'document.favicons',
+                                   'favicons': __gCrWeb.common.getFavicons()});
+    // Add placeholders for plugin content.
+    if (__gCrWeb.common.updatePluginPlaceholders())
+      __gCrWeb.message.invokeOnHost({'command': 'addPluginPlaceholders'});
+  }
+
+  /**
+   * Sends window.history.willChangeState message. Called when
+   * history.pushState and history.replaceState are invoked.
+   */
+  __gCrWeb.core_dynamic.historyWillChangeState = function() {
+    __gCrWeb.message.invokeOnHost(
+        {'command': 'window.history.willChangeState'});
+  };
+}