Fix all remaining print preview closure compiler errors

chrome/browser/resources/print_preview/previewarea/preview_area.js

 // 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.
 
+// <include ../../pdf/pdf_scripting_api.js>
+
+cr.exportPath('print_preview');
+
+/**
+ * Enumeration of IDs shown in the preview area.
+ * @enum {string}
+ * @private
+ */
+print_preview.PreviewAreaMessageId_ = {
+  CUSTOM: 'custom',
+  LOADING: 'loading',
+  PREVIEW_FAILED: 'preview-failed'
+};
+
 /**
  * @typedef {{accessibility: Function,
  *            documentLoadComplete: Function,
  *            getHeight: Function,
  *            getHorizontalScrollbarThickness: Function,
  *            getPageLocationNormalized: Function,
  *            getVerticalScrollbarThickness: Function,
  *            getWidth: Function,
  *            getZoomLevel: Function,
  *            goToPage: Function,
  *            grayscale: Function,
  *            loadPreviewPage: Function,
  *            onload: Function,
  *            onPluginSizeChanged: Function,
  *            onScroll: Function,
  *            pageXOffset: Function,
  *            pageYOffset: Function,
- *            printPreviewPageCount: Function,
  *            reload: Function,
- *            removePrintButton: Function,
- *            resetPrintPreviewUrl: Function,
+ *            resetPrintPreviewMode: Function,
  *            sendKeyEvent: Function,
  *            setPageNumbers: Function,
  *            setPageXOffset: Function,
  *            setPageYOffset: Function,
  *            setZoomLevel: Function,
  *            fitToHeight: Function,
  *            fitToWidth: Function,
  *            zoomIn: Function,
  *            zoomOut: Function}}
  */
@@ skipping 118 matching lines @@
      * @private
      */
     this.overlayEl_ = null;
 
     /**
      * The "Open system dialog" button.
      * @type {HTMLButtonElement}
      * @private
      */
     this.openSystemDialogButton_ = null;
-  };
+  }
 
   /**
    * Event types dispatched by the preview area.
    * @enum {string}
    */
   PreviewArea.EventType = {
     // Dispatched when the "Open system dialog" button is clicked.
     OPEN_SYSTEM_DIALOG_CLICK:
         'print_preview.PreviewArea.OPEN_SYSTEM_DIALOG_CLICK',
 
@@ skipping 23 matching lines @@
     INVISIBLE: 'invisible',
     OPEN_SYSTEM_DIALOG_BUTTON: 'preview-area-open-system-dialog-button',
     OPEN_SYSTEM_DIALOG_BUTTON_THROBBER:
         'preview-area-open-system-dialog-button-throbber',
     OVERLAY: 'preview-area-overlay-layer',
     MARGIN_CONTROL: 'margin-control',
     PREVIEW_AREA: 'preview-area-plugin-wrapper'
   };
 
   /**
-   * Enumeration of IDs shown in the preview area.
-   * @enum {string}
-   * @private
-   */
-  PreviewArea.MessageId_ = {
-    CUSTOM: 'custom',
-    LOADING: 'loading',
-    PREVIEW_FAILED: 'preview-failed'
-  };
-
-  /**
    * Maps message IDs to the CSS class that contains them.
-   * @type {Object<print_preview.PreviewArea.MessageId_, string>}
+   * @type {Object<print_preview.PreviewAreaMessageId_, string>}
    * @private
    */
   PreviewArea.MessageIdClassMap_ = {};
-  PreviewArea.MessageIdClassMap_[PreviewArea.MessageId_.CUSTOM] =
+  PreviewArea.MessageIdClassMap_[print_preview.PreviewAreaMessageId_.CUSTOM] =
       'preview-area-custom-message';
-  PreviewArea.MessageIdClassMap_[PreviewArea.MessageId_.LOADING] =
+  PreviewArea.MessageIdClassMap_[print_preview.PreviewAreaMessageId_.LOADING] =
       'preview-area-loading-message';
-  PreviewArea.MessageIdClassMap_[PreviewArea.MessageId_.PREVIEW_FAILED] =
+  PreviewArea.MessageIdClassMap_[
+      print_preview.PreviewAreaMessageId_.PREVIEW_FAILED] =
       'preview-area-preview-failed-message';
 
   /**
    * Amount of time in milliseconds to wait after issueing a new preview before
    * the loading message is shown.
    * @type {number}
    * @const
    * @private
    */
   PreviewArea.LOADING_TIMEOUT_ = 200;
@@ skipping 59 matching lines @@
      */
     setPluginKeyEventCallback: function(callback) {
       this.keyEventCallback_ = callback;
     },
 
     /**
      * Shows a custom message on the preview area's overlay.
      * @param {string} message Custom message to show.
      */
     showCustomMessage: function(message) {
-      this.showMessage_(PreviewArea.MessageId_.CUSTOM, message);
+      this.showMessage_(print_preview.PreviewAreaMessageId_.CUSTOM, message);
     },
 
     /** @override */
     enterDocument: function() {
       print_preview.Component.prototype.enterDocument.call(this);
 
       this.tracker.add(
           assert(this.openSystemDialogButton_),
           'click',
           this.onOpenSystemDialogButtonClick_.bind(this));
@@ skipping 88 matching lines @@
       var oopCompatObj = this.getElement().getElementsByClassName(
           PreviewArea.Classes_.OUT_OF_PROCESS_COMPATIBILITY_OBJECT)[0];
       var isOOPCompatible = oopCompatObj.postMessage;
       oopCompatObj.parentElement.removeChild(oopCompatObj);
 
       return isOOPCompatible;
     },
 
     /**
      * Shows a given message on the overlay.
-     * @param {!print_preview.PreviewArea.MessageId_} messageId ID of the
+     * @param {!print_preview.PreviewAreaMessageId_} messageId ID of the
      *     message to show.
      * @param {string=} opt_message Optional message to show that can be used
      *     by some message IDs.
      * @private
      */
     showMessage_: function(messageId, opt_message) {
       // Hide all messages.
       var messageEls = this.getElement().getElementsByClassName(
           PreviewArea.Classes_.MESSAGE);
-      for (var i = 0, messageEl; messageEl = messageEls[i]; i++) {
+      for (var i = 0, messageEl; (messageEl = messageEls[i]); i++) {
         setIsVisible(messageEl, false);
       }
       // Disable jumping animation to conserve cycles.
       var jumpingDotsEl = this.getElement().querySelector(
           '.preview-area-loading-message-jumping-dots');
       jumpingDotsEl.classList.remove('jumping-dots');
 
       // Show specific message.
-      if (messageId == PreviewArea.MessageId_.CUSTOM) {
+      if (messageId == print_preview.PreviewAreaMessageId_.CUSTOM) {
         var customMessageTextEl = this.getElement().getElementsByClassName(
             PreviewArea.Classes_.CUSTOM_MESSAGE_TEXT)[0];
         customMessageTextEl.textContent = opt_message;
-      } else if (messageId == PreviewArea.MessageId_.LOADING) {
+      } else if (messageId == print_preview.PreviewAreaMessageId_.LOADING) {
         jumpingDotsEl.classList.add('jumping-dots');
       }
       var messageEl = this.getElement().getElementsByClassName(
             PreviewArea.MessageIdClassMap_[messageId])[0];
       setIsVisible(messageEl, true);
 
       this.setOverlayVisible_(true);
     },
 
     /**
@@ skipping 83 matching lines @@
     /**
      * Called when the print ticket changes. Updates the preview.
      * @private
      */
     onTicketChange_: function() {
       if (this.previewGenerator_ && this.previewGenerator_.requestPreview()) {
         cr.dispatchSimpleEvent(
             this, PreviewArea.EventType.PREVIEW_GENERATION_IN_PROGRESS);
         if (this.loadingTimeout_ == null) {
           this.loadingTimeout_ = setTimeout(
-              this.showMessage_.bind(this, PreviewArea.MessageId_.LOADING),
+              this.showMessage_.bind(this,
+                  print_preview.PreviewAreaMessageId_.LOADING),
               PreviewArea.LOADING_TIMEOUT_);
         }
       } else {
         this.marginControlContainer_.showMarginControlsIfNeeded();
       }
     },
 
     /**
      * Called when the preview generator begins loading the preview.
      * @param {Event} event Contains the URL to initialize the plugin to.
@@ skipping 44 matching lines @@
         this.loadingTimeout_ = null;
       }
     },
 
     /**
      * Called when the generation of a preview fails. Shows an error message.
      * @private
      */
     onPreviewGenerationFail_: function() {
       this.cancelTimeout();
-      this.showMessage_(PreviewArea.MessageId_.PREVIEW_FAILED);
+      this.showMessage_(print_preview.PreviewAreaMessageId_.PREVIEW_FAILED);
       cr.dispatchSimpleEvent(
           this, PreviewArea.EventType.PREVIEW_GENERATION_FAIL);
     },
 
     /**
      * Called when the plugin loads. This is a consequence of calling
      * plugin.reload(). Certain plugin state can only be set after the plugin
      * has loaded.
      * @private
      */
@@ skipping 38 matching lines @@
       // being draggable.
       this.plugin_.style.pointerEvents = isDragging ? 'none' : 'auto';
     }
   };
 
   // Export
   return {
     PreviewArea: PreviewArea
   };
 });