Created "guest_view/" directory to contain all the guestview files (like web_view* and app_view*) i…

extensions/renderer/resources/web_view.js

Index: extensions/renderer/resources/web_view.js
diff --git a/extensions/renderer/resources/web_view.js b/extensions/renderer/resources/web_view.js
deleted file mode 100644
index 3965e6106a67f1cc16eeac40817c1283af41aedf..0000000000000000000000000000000000000000
--- a/extensions/renderer/resources/web_view.js
+++ /dev/null
@@ -1,936 +0,0 @@
-// 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.
-
-// This module implements WebView (<webview>) as a custom element that wraps a
-// BrowserPlugin object element. The object element is hidden within
-// the shadow DOM of the WebView element.
-
-var DocumentNatives = requireNative('document_natives');
-var GuestViewInternal =
-    require('binding').Binding.create('guestViewInternal').generate();
-var IdGenerator = requireNative('id_generator');
-// TODO(lazyboy): Rename this to WebViewInternal and call WebViewInternal
-// something else.
-var WebView = require('webViewInternal').WebView;
-var WebViewEvents = require('webViewEvents').WebViewEvents;
-var guestViewInternalNatives = requireNative('guest_view_internal');
-
-// Attributes.
-var WEB_VIEW_ATTRIBUTE_ALLOWTRANSPARENCY = 'allowtransparency';
-var WEB_VIEW_ATTRIBUTE_AUTOSIZE = 'autosize';
-var WEB_VIEW_ATTRIBUTE_MAXHEIGHT = 'maxheight';
-var WEB_VIEW_ATTRIBUTE_MAXWIDTH = 'maxwidth';
-var WEB_VIEW_ATTRIBUTE_MINHEIGHT = 'minheight';
-var WEB_VIEW_ATTRIBUTE_MINWIDTH = 'minwidth';
-var WEB_VIEW_ATTRIBUTE_PARTITION = 'partition';
-var AUTO_SIZE_ATTRIBUTES = [
-  WEB_VIEW_ATTRIBUTE_AUTOSIZE,
-  WEB_VIEW_ATTRIBUTE_MAXHEIGHT,
-  WEB_VIEW_ATTRIBUTE_MAXWIDTH,
-  WEB_VIEW_ATTRIBUTE_MINHEIGHT,
-  WEB_VIEW_ATTRIBUTE_MINWIDTH
-];
-
-// Error messages.
-var ERROR_MSG_ALREADY_NAVIGATED =
-    'The object has already navigated, so its partition cannot be changed.';
-var ERROR_MSG_CANNOT_INJECT_SCRIPT = '<webview>: ' +
-    'Script cannot be injected into content until the page has loaded.';
-var ERROR_MSG_CONTENTWINDOW_NOT_AVAILABLE = '<webview>: ' +
-    'contentWindow is not available at this time. It will become available ' +
-    'when the page has finished loading.';
-var ERROR_MSG_INVALID_PARTITION_ATTRIBUTE = 'Invalid partition attribute.';
-
-// Represents the state of the storage partition.
-function Partition() {
-  this.validPartitionId = true;
-  this.persistStorage = false;
-  this.storagePartitionId = '';
-}
-
-Partition.prototype.toAttribute = function() {
-  if (!this.validPartitionId) {
-    return '';
-  }
-  return (this.persistStorage ? 'persist:' : '') + this.storagePartitionId;
-};
-
-Partition.prototype.fromAttribute = function(value, hasNavigated) {
-  var result = {};
-  if (hasNavigated) {
-    result.error = ERROR_MSG_ALREADY_NAVIGATED;
-    return result;
-  }
-  if (!value) {
-    value = '';
-  }
-
-  var LEN = 'persist:'.length;
-  if (value.substr(0, LEN) == 'persist:') {
-    value = value.substr(LEN);
-    if (!value) {
-      this.validPartitionId = false;
-      result.error = ERROR_MSG_INVALID_PARTITION_ATTRIBUTE;
-      return result;
-    }
-    this.persistStorage = true;
-  } else {
-    this.persistStorage = false;
-  }
-
-  this.storagePartitionId = value;
-  return result;
-};
-
-// Represents the internal state of the WebView node.
-function WebViewInternal(webviewNode) {
-  privates(webviewNode).internal = this;
-  this.webviewNode = webviewNode;
-  this.attached = false;
-  this.pendingGuestCreation = false;
-  this.elementAttached = false;
-
-  this.beforeFirstNavigation = true;
-  this.contentWindow = null;
-  this.validPartitionId = true;
-  // Used to save some state upon deferred attachment.
-  // If <object> bindings is not available, we defer attachment.
-  // This state contains whether or not the attachment request was for
-  // newwindow.
-  this.deferredAttachState = null;
-
-  // on* Event handlers.
-  this.on = {};
-
-  this.browserPluginNode = this.createBrowserPluginNode();
-  var shadowRoot = this.webviewNode.createShadowRoot();
-  this.partition = new Partition();
-
-  this.setupWebViewSrcAttributeMutationObserver();
-  this.setupFocusPropagation();
-  this.setupWebviewNodeProperties();
-
-  this.viewInstanceId = IdGenerator.GetNextId();
-
-  new WebViewEvents(this, this.viewInstanceId);
-
-  shadowRoot.appendChild(this.browserPluginNode);
-}
-
-WebViewInternal.prototype.createBrowserPluginNode = function() {
-  // We create BrowserPlugin as a custom element in order to observe changes
-  // to attributes synchronously.
-  var browserPluginNode = new WebViewInternal.BrowserPlugin();
-  privates(browserPluginNode).internal = this;
-  return browserPluginNode;
-};
-
-WebViewInternal.prototype.getGuestInstanceId = function() {
-  return this.guestInstanceId;
-};
-
-// Resets some state upon reattaching <webview> element to the DOM.
-WebViewInternal.prototype.reset = function() {
-  // If guestInstanceId is defined then the <webview> has navigated and has
-  // already picked up a partition ID. Thus, we need to reset the initialization
-  // state. However, it may be the case that beforeFirstNavigation is false BUT
-  // guestInstanceId has yet to be initialized. This means that we have not
-  // heard back from createGuest yet. We will not reset the flag in this case so
-  // that we don't end up allocating a second guest.
-  if (this.guestInstanceId) {
-    GuestViewInternal.destroyGuest(this.guestInstanceId);
-    this.guestInstanceId = undefined;
-    this.beforeFirstNavigation = true;
-    this.validPartitionId = true;
-    this.partition.validPartitionId = true;
-    this.contentWindow = null;
-  }
-  this.internalInstanceId = 0;
-};
-
-// Sets the <webview>.request property.
-WebViewInternal.prototype.setRequestPropertyOnWebViewNode = function(request) {
-  Object.defineProperty(
-      this.webviewNode,
-      'request',
-      {
-        value: request,
-        enumerable: true
-      }
-  );
-};
-
-WebViewInternal.prototype.setupFocusPropagation = function() {
-  if (!this.webviewNode.hasAttribute('tabIndex')) {
-    // <webview> needs a tabIndex in order to be focusable.
-    // TODO(fsamuel): It would be nice to avoid exposing a tabIndex attribute
-    // to allow <webview> to be focusable.
-    // See http://crbug.com/231664.
-    this.webviewNode.setAttribute('tabIndex', -1);
-  }
-  this.webviewNode.addEventListener('focus', function(e) {
-    // Focus the BrowserPlugin when the <webview> takes focus.
-    this.browserPluginNode.focus();
-  }.bind(this));
-  this.webviewNode.addEventListener('blur', function(e) {
-    // Blur the BrowserPlugin when the <webview> loses focus.
-    this.browserPluginNode.blur();
-  }.bind(this));
-};
-
-// Validation helper function for executeScript() and insertCSS().
-WebViewInternal.prototype.validateExecuteCodeCall  = function() {
-  if (!this.guestInstanceId) {
-    throw new Error(ERROR_MSG_CANNOT_INJECT_SCRIPT);
-  }
-};
-
-WebViewInternal.prototype.setupAutoSizeProperties = function() {
-  $Array.forEach(AUTO_SIZE_ATTRIBUTES, function(attributeName) {
-    this[attributeName] = this.webviewNode.getAttribute(attributeName);
-    Object.defineProperty(this.webviewNode, attributeName, {
-      get: function() {
-        return this[attributeName];
-      }.bind(this),
-      set: function(value) {
-        this.webviewNode.setAttribute(attributeName, value);
-      }.bind(this),
-      enumerable: true
-    });
-  }.bind(this), this);
-};
-
-WebViewInternal.prototype.setupWebviewNodeProperties = function() {
-  this.setupAutoSizeProperties();
-
-  Object.defineProperty(this.webviewNode,
-                        WEB_VIEW_ATTRIBUTE_ALLOWTRANSPARENCY, {
-    get: function() {
-      return this.allowtransparency;
-    }.bind(this),
-    set: function(value) {
-      this.webviewNode.setAttribute(WEB_VIEW_ATTRIBUTE_ALLOWTRANSPARENCY,
-                                    value);
-    }.bind(this),
-    enumerable: true
-  });
-
-  // We cannot use {writable: true} property descriptor because we want a
-  // dynamic getter value.
-  Object.defineProperty(this.webviewNode, 'contentWindow', {
-    get: function() {
-      if (this.contentWindow) {
-        return this.contentWindow;
-      }
-      window.console.error(ERROR_MSG_CONTENTWINDOW_NOT_AVAILABLE);
-    }.bind(this),
-    // No setter.
-    enumerable: true
-  });
-
-  Object.defineProperty(this.webviewNode, 'name', {
-    get: function() {
-      return this.name;
-    }.bind(this),
-    set: function(value) {
-      this.webviewNode.setAttribute('name', value);
-    }.bind(this),
-    enumerable: true
-  });
-
-  Object.defineProperty(this.webviewNode, 'partition', {
-    get: function() {
-      return this.partition.toAttribute();
-    }.bind(this),
-    set: function(value) {
-      var result = this.partition.fromAttribute(value, this.hasNavigated());
-      if (result.error) {
-        throw result.error;
-      }
-      this.webviewNode.setAttribute('partition', value);
-    }.bind(this),
-    enumerable: true
-  });
-
-  this.src = this.webviewNode.getAttribute('src');
-  Object.defineProperty(this.webviewNode, 'src', {
-    get: function() {
-      return this.src;
-    }.bind(this),
-    set: function(value) {
-      this.webviewNode.setAttribute('src', value);
-    }.bind(this),
-    // No setter.
-    enumerable: true
-  });
-};
-
-// The purpose of this mutation observer is to catch assignment to the src
-// attribute without any changes to its value. This is useful in the case
-// where the webview guest has crashed and navigating to the same address
-// spawns off a new process.
-WebViewInternal.prototype.setupWebViewSrcAttributeMutationObserver =
-    function() {
-  this.srcAndPartitionObserver = new MutationObserver(function(mutations) {
-    $Array.forEach(mutations, function(mutation) {
-      var oldValue = mutation.oldValue;
-      var newValue = this.webviewNode.getAttribute(mutation.attributeName);
-      if (oldValue != newValue) {
-        return;
-      }
-      this.handleWebviewAttributeMutation(
-          mutation.attributeName, oldValue, newValue);
-    }.bind(this));
-  }.bind(this));
-  var params = {
-    attributes: true,
-    attributeOldValue: true,
-    attributeFilter: ['src', 'partition']
-  };
-  this.srcAndPartitionObserver.observe(this.webviewNode, params);
-};
-
-// This observer monitors mutations to attributes of the <webview> and
-// updates the BrowserPlugin properties accordingly. In turn, updating
-// a BrowserPlugin property will update the corresponding BrowserPlugin
-// attribute, if necessary. See BrowserPlugin::UpdateDOMAttribute for more
-// details.
-WebViewInternal.prototype.handleWebviewAttributeMutation =
-      function(name, oldValue, newValue) {
-  if (AUTO_SIZE_ATTRIBUTES.indexOf(name) > -1) {
-    this[name] = newValue;
-    if (!this.guestInstanceId) {
-      return;
-    }
-    // Convert autosize attribute to boolean.
-    var autosize = this.webviewNode.hasAttribute(WEB_VIEW_ATTRIBUTE_AUTOSIZE);
-    GuestViewInternal.setAutoSize(this.guestInstanceId, {
-      'enableAutoSize': autosize,
-      'min': {
-        'width': parseInt(this.minwidth || 0),
-        'height': parseInt(this.minheight || 0)
-      },
-      'max': {
-        'width': parseInt(this.maxwidth || 0),
-        'height': parseInt(this.maxheight || 0)
-      }
-    });
-    return;
-  } else if (name == WEB_VIEW_ATTRIBUTE_ALLOWTRANSPARENCY) {
-    // We treat null attribute (attribute removed) and the empty string as
-    // one case.
-    oldValue = oldValue || '';
-    newValue = newValue || '';
-
-    if (oldValue === newValue) {
-      return;
-    }
-    this.allowtransparency = newValue != '';
-
-    if (!this.guestInstanceId) {
-      return;
-    }
-
-    WebView.setAllowTransparency(this.guestInstanceId, this.allowtransparency);
-    return;
-  } else if (name == 'name') {
-    // We treat null attribute (attribute removed) and the empty string as
-    // one case.
-    oldValue = oldValue || '';
-    newValue = newValue || '';
-
-    if (oldValue === newValue) {
-      return;
-    }
-    this.name = newValue;
-    if (!this.guestInstanceId) {
-      return;
-    }
-    WebView.setName(this.guestInstanceId, newValue);
-    return;
-  } else if (name == 'src') {
-    // We treat null attribute (attribute removed) and the empty string as
-    // one case.
-    oldValue = oldValue || '';
-    newValue = newValue || '';
-    // Once we have navigated, we don't allow clearing the src attribute.
-    // Once <webview> enters a navigated state, it cannot be return back to a
-    // placeholder state.
-    if (newValue == '' && oldValue != '') {
-      // src attribute changes normally initiate a navigation. We suppress
-      // the next src attribute handler call to avoid reloading the page
-      // on every guest-initiated navigation.
-      this.ignoreNextSrcAttributeChange = true;
-      this.webviewNode.setAttribute('src', oldValue);
-      return;
-    }
-    this.src = newValue;
-    if (this.ignoreNextSrcAttributeChange) {
-      // Don't allow the src mutation observer to see this change.
-      this.srcAndPartitionObserver.takeRecords();
-      this.ignoreNextSrcAttributeChange = false;
-      return;
-    }
-    var result = {};
-    this.parseSrcAttribute(result);
-
-    if (result.error) {
-      throw result.error;
-    }
-  } else if (name == 'partition') {
-    // Note that throwing error here won't synchronously propagate.
-    this.partition.fromAttribute(newValue, this.hasNavigated());
-  }
-};
-
-WebViewInternal.prototype.handleBrowserPluginAttributeMutation =
-    function(name, oldValue, newValue) {
-  if (name == 'internalinstanceid' && !oldValue && !!newValue) {
-    this.browserPluginNode.removeAttribute('internalinstanceid');
-    this.internalInstanceId = parseInt(newValue);
-
-    if (!!this.guestInstanceId && this.guestInstanceId != 0) {
-      var isNewWindow = this.deferredAttachState ?
-          this.deferredAttachState.isNewWindow : false;
-      var params = this.buildAttachParams(isNewWindow);
-      guestViewInternalNatives.AttachGuest(
-          this.internalInstanceId,
-          this.guestInstanceId,
-          params,
-          function(w) {
-            this.contentWindow = w;
-          }.bind(this)
-      );
-    }
-
-    return;
-  }
-};
-
-WebViewInternal.prototype.onSizeChanged = function(webViewEvent) {
-  var newWidth = webViewEvent.newWidth;
-  var newHeight = webViewEvent.newHeight;
-
-  var node = this.webviewNode;
-
-  var width = node.offsetWidth;
-  var height = node.offsetHeight;
-
-  // Check the current bounds to make sure we do not resize <webview>
-  // outside of current constraints.
-  var maxWidth;
-  if (node.hasAttribute(WEB_VIEW_ATTRIBUTE_MAXWIDTH) &&
-      node[WEB_VIEW_ATTRIBUTE_MAXWIDTH]) {
-    maxWidth = node[WEB_VIEW_ATTRIBUTE_MAXWIDTH];
-  } else {
-    maxWidth = width;
-  }
-
-  var minWidth;
-  if (node.hasAttribute(WEB_VIEW_ATTRIBUTE_MINWIDTH) &&
-      node[WEB_VIEW_ATTRIBUTE_MINWIDTH]) {
-    minWidth = node[WEB_VIEW_ATTRIBUTE_MINWIDTH];
-  } else {
-    minWidth = width;
-  }
-  if (minWidth > maxWidth) {
-    minWidth = maxWidth;
-  }
-
-  var maxHeight;
-  if (node.hasAttribute(WEB_VIEW_ATTRIBUTE_MAXHEIGHT) &&
-      node[WEB_VIEW_ATTRIBUTE_MAXHEIGHT]) {
-    maxHeight = node[WEB_VIEW_ATTRIBUTE_MAXHEIGHT];
-  } else {
-    maxHeight = height;
-  }
-
-  var minHeight;
-  if (node.hasAttribute(WEB_VIEW_ATTRIBUTE_MINHEIGHT) &&
-      node[WEB_VIEW_ATTRIBUTE_MINHEIGHT]) {
-    minHeight = node[WEB_VIEW_ATTRIBUTE_MINHEIGHT];
-  } else {
-    minHeight = height;
-  }
-  if (minHeight > maxHeight) {
-    minHeight = maxHeight;
-  }
-
-  if (!this.webviewNode.hasAttribute(WEB_VIEW_ATTRIBUTE_AUTOSIZE) ||
-      (newWidth >= minWidth &&
-       newWidth <= maxWidth &&
-       newHeight >= minHeight &&
-       newHeight <= maxHeight)) {
-    node.style.width = newWidth + 'px';
-    node.style.height = newHeight + 'px';
-    // Only fire the DOM event if the size of the <webview> has actually
-    // changed.
-    this.dispatchEvent(webViewEvent);
-  }
-};
-
-// Returns if <object> is in the render tree.
-WebViewInternal.prototype.isPluginInRenderTree = function() {
-  return !!this.internalInstanceId && this.internalInstanceId != 0;
-};
-
-WebViewInternal.prototype.hasNavigated = function() {
-  return !this.beforeFirstNavigation;
-};
-
-WebViewInternal.prototype.parseSrcAttribute = function(result) {
-  if (!this.partition.validPartitionId) {
-    result.error = ERROR_MSG_INVALID_PARTITION_ATTRIBUTE;
-    return;
-  }
-  this.src = this.webviewNode.getAttribute('src');
-
-  if (!this.src) {
-    return;
-  }
-
-  if (this.guestInstanceId == undefined) {
-    if (this.beforeFirstNavigation) {
-      this.beforeFirstNavigation = false;
-      this.createGuest();
-    }
-    return;
-  }
-
-  // Navigate to |this.src|.
-  WebView.navigate(this.guestInstanceId, this.src);
-};
-
-WebViewInternal.prototype.parseAttributes = function() {
-  if (!this.elementAttached) {
-    return;
-  }
-  var hasNavigated = this.hasNavigated();
-  var attributeValue = this.webviewNode.getAttribute('partition');
-  var result = this.partition.fromAttribute(attributeValue, hasNavigated);
-  this.parseSrcAttribute(result);
-};
-
-WebViewInternal.prototype.createGuest = function() {
-  if (this.pendingGuestCreation) {
-    return;
-  }
-  var storagePartitionId =
-      this.webviewNode.getAttribute(WEB_VIEW_ATTRIBUTE_PARTITION) ||
-      this.webviewNode[WEB_VIEW_ATTRIBUTE_PARTITION];
-  var params = {
-    'storagePartitionId': storagePartitionId
-  };
-  GuestViewInternal.createGuest(
-      'webview',
-      params,
-      function(guestInstanceId) {
-        this.pendingGuestCreation = false;
-        if (!this.elementAttached) {
-          GuestViewInternal.destroyGuest(guestInstanceId);
-          return;
-        }
-        this.attachWindow(guestInstanceId, false);
-      }.bind(this)
-  );
-  this.pendingGuestCreation = true;
-};
-
-WebViewInternal.prototype.onFrameNameChanged = function(name) {
-  this.name = name || '';
-  if (this.name === '') {
-    this.webviewNode.removeAttribute('name');
-  } else {
-    this.webviewNode.setAttribute('name', this.name);
-  }
-};
-
-WebViewInternal.prototype.dispatchEvent = function(webViewEvent) {
-  return this.webviewNode.dispatchEvent(webViewEvent);
-};
-
-// Adds an 'on<event>' property on the webview, which can be used to set/unset
-// an event handler.
-WebViewInternal.prototype.setupEventProperty = function(eventName) {
-  var propertyName = 'on' + eventName.toLowerCase();
-  Object.defineProperty(this.webviewNode, propertyName, {
-    get: function() {
-      return this.on[propertyName];
-    }.bind(this),
-    set: function(value) {
-      if (this.on[propertyName])
-        this.webviewNode.removeEventListener(eventName, this.on[propertyName]);
-      this.on[propertyName] = value;
-      if (value)
-        this.webviewNode.addEventListener(eventName, value);
-    }.bind(this),
-    enumerable: true
-  });
-};
-
-// Updates state upon loadcommit.
-WebViewInternal.prototype.onLoadCommit = function(
-    baseUrlForDataUrl, currentEntryIndex, entryCount,
-    processId, url, isTopLevel) {
-  this.baseUrlForDataUrl = baseUrlForDataUrl;
-  this.currentEntryIndex = currentEntryIndex;
-  this.entryCount = entryCount;
-  this.processId = processId;
-  var oldValue = this.webviewNode.getAttribute('src');
-  var newValue = url;
-  if (isTopLevel && (oldValue != newValue)) {
-    // Touching the src attribute triggers a navigation. To avoid
-    // triggering a page reload on every guest-initiated navigation,
-    // we use the flag ignoreNextSrcAttributeChange here.
-    this.ignoreNextSrcAttributeChange = true;
-    this.webviewNode.setAttribute('src', newValue);
-  }
-};
-
-WebViewInternal.prototype.onAttach = function(storagePartitionId) {
-  this.webviewNode.setAttribute('partition', storagePartitionId);
-  this.partition.fromAttribute(storagePartitionId, this.hasNavigated());
-};
-
-WebViewInternal.prototype.buildAttachParams = function(isNewWindow) {
-  var params = {
-    'allowtransparency': this.allowtransparency || false,
-    'autosize': this.webviewNode.hasAttribute(WEB_VIEW_ATTRIBUTE_AUTOSIZE),
-    'instanceId': this.viewInstanceId,
-    'maxheight': parseInt(this.maxheight || 0),
-    'maxwidth': parseInt(this.maxwidth || 0),
-    'minheight': parseInt(this.minheight || 0),
-    'minwidth': parseInt(this.minwidth || 0),
-    'name': this.name,
-    // We don't need to navigate new window from here.
-    'src': isNewWindow ? undefined : this.src,
-    // If we have a partition from the opener, that will also be already
-    // set via this.onAttach().
-    'storagePartitionId': this.partition.toAttribute(),
-    'userAgentOverride': this.userAgentOverride
-  };
-  return params;
-};
-
-WebViewInternal.prototype.attachWindow = function(guestInstanceId,
-                                                  isNewWindow) {
-  this.guestInstanceId = guestInstanceId;
-  var params = this.buildAttachParams(isNewWindow);
-
-  if (!this.isPluginInRenderTree()) {
-    this.deferredAttachState = {isNewWindow: isNewWindow};
-    return true;
-  }
-
-  this.deferredAttachState = null;
-  return guestViewInternalNatives.AttachGuest(
-      this.internalInstanceId,
-      this.guestInstanceId,
-      params, function(w) {
-        this.contentWindow = w;
-      }.bind(this)
-  );
-};
-
-// -----------------------------------------------------------------------------
-// Public-facing API methods.
-
-
-// Navigates to the previous history entry.
-WebViewInternal.prototype.back = function(callback) {
-  return this.go(-1, callback);
-};
-
-// Returns whether there is a previous history entry to navigate to.
-WebViewInternal.prototype.canGoBack = function() {
-  return this.entryCount > 1 && this.currentEntryIndex > 0;
-};
-
-// Returns whether there is a subsequent history entry to navigate to.
-WebViewInternal.prototype.canGoForward = function() {
-  return this.currentEntryIndex >= 0 &&
-      this.currentEntryIndex < (this.entryCount - 1);
-};
-
-// Clears browsing data for the WebView partition.
-WebViewInternal.prototype.clearData = function() {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  var args = $Array.concat([this.guestInstanceId], $Array.slice(arguments));
-  $Function.apply(WebView.clearData, null, args);
-};
-
-// Injects JavaScript code into the guest page.
-WebViewInternal.prototype.executeScript = function(var_args) {
-  this.validateExecuteCodeCall();
-  var webviewSrc = this.src;
-  if (this.baseUrlForDataUrl != '') {
-    webviewSrc = this.baseUrlForDataUrl;
-  }
-  var args = $Array.concat([this.guestInstanceId, webviewSrc],
-                           $Array.slice(arguments));
-  $Function.apply(WebView.executeScript, null, args);
-};
-
-// Initiates a find-in-page request.
-WebViewInternal.prototype.find = function(search_text, options, callback) {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.find(this.guestInstanceId, search_text, options, callback);
-};
-
-// Navigates to the subsequent history entry.
-WebViewInternal.prototype.forward = function(callback) {
-  return this.go(1, callback);
-};
-
-// Returns Chrome's internal process ID for the guest web page's current
-// process.
-WebViewInternal.prototype.getProcessId = function() {
-  return this.processId;
-};
-
-// Returns the user agent string used by the webview for guest page requests.
-WebViewInternal.prototype.getUserAgent = function() {
-  return this.userAgentOverride || navigator.userAgent;
-};
-
-// Gets the current zoom factor.
-WebViewInternal.prototype.getZoom = function(callback) {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.getZoom(this.guestInstanceId, callback);
-};
-
-// Navigates to a history entry using a history index relative to the current
-// navigation.
-WebViewInternal.prototype.go = function(relativeIndex, callback) {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.go(this.guestInstanceId, relativeIndex, callback);
-};
-
-// Injects CSS into the guest page.
-WebViewInternal.prototype.insertCSS = function(var_args) {
-  this.validateExecuteCodeCall();
-  var webviewSrc = this.src;
-  if (this.baseUrlForDataUrl != '') {
-    webviewSrc = this.baseUrlForDataUrl;
-  }
-  var args = $Array.concat([this.guestInstanceId, webviewSrc],
-                           $Array.slice(arguments));
-  $Function.apply(WebView.insertCSS, null, args);
-};
-
-// Indicates whether or not the webview's user agent string has been overridden.
-WebViewInternal.prototype.isUserAgentOverridden = function() {
-  return !!this.userAgentOverride &&
-      this.userAgentOverride != navigator.userAgent;
-};
-
-// Prints the contents of the webview.
-WebViewInternal.prototype.print = function() {
-  this.executeScript({code: 'window.print();'});
-};
-
-// Reloads the current top-level page.
-WebViewInternal.prototype.reload = function() {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.reload(this.guestInstanceId);
-};
-
-// Override the user agent string used by the webview for guest page requests.
-WebViewInternal.prototype.setUserAgentOverride = function(userAgentOverride) {
-  this.userAgentOverride = userAgentOverride;
-  if (!this.guestInstanceId) {
-    // If we are not attached yet, then we will pick up the user agent on
-    // attachment.
-    return;
-  }
-  WebView.overrideUserAgent(this.guestInstanceId, userAgentOverride);
-};
-
-// Changes the zoom factor of the page.
-WebViewInternal.prototype.setZoom = function(zoomFactor, callback) {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.setZoom(this.guestInstanceId, zoomFactor, callback);
-};
-
-// Stops loading the current navigation if one is in progress.
-WebViewInternal.prototype.stop = function() {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.stop(this.guestInstanceId);
-};
-
-// Ends the current find session.
-WebViewInternal.prototype.stopFinding = function(action) {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.stopFinding(this.guestInstanceId, action);
-};
-
-// Forcibly kills the guest web page's renderer process.
-WebViewInternal.prototype.terminate = function() {
-  if (!this.guestInstanceId) {
-    return;
-  }
-  WebView.terminate(this.guestInstanceId);
-};
-
-// -----------------------------------------------------------------------------
-
-// Registers browser plugin <object> custom element.
-function registerBrowserPluginElement() {
-  var proto = Object.create(HTMLObjectElement.prototype);
-
-  proto.createdCallback = function() {
-    this.setAttribute('type', 'application/browser-plugin');
-    this.setAttribute('id', 'browser-plugin-' + IdGenerator.GetNextId());
-    // The <object> node fills in the <webview> container.
-    this.style.width = '100%';
-    this.style.height = '100%';
-  };
-
-  proto.attributeChangedCallback = function(name, oldValue, newValue) {
-    var internal = privates(this).internal;
-    if (!internal) {
-      return;
-    }
-    internal.handleBrowserPluginAttributeMutation(name, oldValue, newValue);
-  };
-
-  proto.attachedCallback = function() {
-    // Load the plugin immediately.
-    var unused = this.nonExistentAttribute;
-  };
-
-  WebViewInternal.BrowserPlugin =
-      DocumentNatives.RegisterElement('browserplugin', {extends: 'object',
-                                                        prototype: proto});
-
-  delete proto.createdCallback;
-  delete proto.attachedCallback;
-  delete proto.detachedCallback;
-  delete proto.attributeChangedCallback;
-}
-
-// Registers <webview> custom element.
-function registerWebViewElement() {
-  var proto = Object.create(HTMLElement.prototype);
-
-  proto.createdCallback = function() {
-    new WebViewInternal(this);
-  };
-
-  proto.attributeChangedCallback = function(name, oldValue, newValue) {
-    var internal = privates(this).internal;
-    if (!internal) {
-      return;
-    }
-    internal.handleWebviewAttributeMutation(name, oldValue, newValue);
-  };
-
-  proto.detachedCallback = function() {
-    var internal = privates(this).internal;
-    if (!internal) {
-      return;
-    }
-    internal.elementAttached = false;
-    internal.reset();
-  };
-
-  proto.attachedCallback = function() {
-    var internal = privates(this).internal;
-    if (!internal) {
-      return;
-    }
-    if (!internal.elementAttached) {
-      internal.elementAttached = true;
-      internal.parseAttributes();
-    }
-  };
-
-  // Public-facing API methods.
-  var methods = [
-    'back',
-    'canGoBack',
-    'canGoForward',
-    'clearData',
-    'executeScript',
-    'find',
-    'forward',
-    'getProcessId',
-    'getUserAgent',
-    'getZoom',
-    'go',
-    'insertCSS',
-    'isUserAgentOverridden',
-    'print',
-    'reload',
-    'setUserAgentOverride',
-    'setZoom',
-    'stop',
-    'stopFinding',
-    'terminate'
-  ];
-
-  // Add the experimental API methods, if available.
-  var experimentalMethods =
-      WebViewInternal.maybeGetExperimentalAPIs();
-  methods = $Array.concat(methods, experimentalMethods);
-
-  // Forward proto.foo* method calls to WebViewInternal.foo*.
-  var createHandler = function(m) {
-    return function(var_args) {
-      var internal = privates(this).internal;
-      return $Function.apply(internal[m], internal, arguments);
-    };
-  };
-  for (var i = 0; methods[i]; ++i) {
-    proto[methods[i]] = createHandler(methods[i]);
-  }
-
-  window.WebView =
-      DocumentNatives.RegisterElement('webview', {prototype: proto});
-
-  // Delete the callbacks so developers cannot call them and produce unexpected
-  // behavior.
-  delete proto.createdCallback;
-  delete proto.attachedCallback;
-  delete proto.detachedCallback;
-  delete proto.attributeChangedCallback;
-}
-
-var useCapture = true;
-window.addEventListener('readystatechange', function listener(event) {
-  if (document.readyState == 'loading')
-    return;
-
-  registerBrowserPluginElement();
-  registerWebViewElement();
-  window.removeEventListener(event.type, listener, useCapture);
-}, useCapture);
-
-// Implemented when the ChromeWebView API is available.
-WebViewInternal.prototype.maybeGetChromeWebViewEvents = function() {};
-
-// Implemented when the experimental WebView API is available.
-WebViewInternal.maybeGetExperimentalAPIs = function() {};
-WebViewInternal.prototype.maybeGetExperimentalEvents = function() {};
-WebViewInternal.prototype.setupExperimentalContextMenus = function() {};
-
-// Exports.
-exports.WebView = WebView;
-exports.WebViewInternal = WebViewInternal;