Page range comparisons should use document size.

chrome/browser/resources/print_preview/data/ticket_items/page_range.js

Index: chrome/browser/resources/print_preview/data/ticket_items/page_range.js
diff --git a/chrome/browser/resources/print_preview/data/ticket_items/page_range.js b/chrome/browser/resources/print_preview/data/ticket_items/page_range.js
index 2fc715217f0b56c82e52de1eafb0d87717850f69..d5b2b6ab839eff2d7e6c68b7902b2538cd989bb2 100644
--- a/chrome/browser/resources/print_preview/data/ticket_items/page_range.js
+++ b/chrome/browser/resources/print_preview/data/ticket_items/page_range.js
@@ -24,13 +24,21 @@ cr.define('print_preview.ticket_items', function() {
     this.documentInfo_ = documentInfo;
   };
 
+  /**
+   * Impossibly large page number.
+   * @type {number}
+   * @const
+   * @private
+   */
+  PageRange.MAX_PAGE_NUMBER_ = 1000000000;
+
   PageRange.prototype = {
     __proto__: print_preview.ticket_items.TicketItem.prototype,
 
     /** @override */
     wouldValueBeValid: function(value) {
-      return value == '' ||
-          isPageRangeTextValid(value, this.documentInfo_.pageCount);
+      return null != pageRangeTextToPageRanges(value,
+                                               this.documentInfo_.pageCount);
     },
 
     /**
@@ -38,13 +46,9 @@ cr.define('print_preview.ticket_items', function() {
      *     page range string.
      */
     getPageNumberSet: function() {
-      if (this.isValid()) {
-        return print_preview.PageNumberSet.parse(
-            this.getValue(), this.documentInfo_.pageCount);
-      } else {
-        return print_preview.PageNumberSet.parse(
-            this.getDefaultValueInternal(), this.documentInfo_.pageCount);
-      }
+      var pageNumberList = pageRangeTextToPageList(
+          this.getValue(), this.documentInfo_.pageCount);
+      return new print_preview.PageNumberSet(pageNumberList);
     },
 
     /** @override */
@@ -60,7 +64,28 @@ cr.define('print_preview.ticket_items', function() {
     /** @override */
     getCapabilityNotAvailableValueInternal: function() {
       return '';
-    }
+    },
+
+    /**
+     * @return {!Array.<object.<{from: number, to: number}>>} A list of page
+     *     ranges.
+     */
+    getPageRanges: function() {
+      var page_ranges = pageRangeTextToPageRanges(this.getValue());
+      return page_ranges ? page_ranges : [];
+    },
+
+    /**
+     * @return {!Array.<object.<{from: number, to: number}>>} A list of page
+     *     ranges suitable for use in the native layer.
+     * TODO(vitalybuka): this should be removed when native layer switched to
+     *     page ranges.
+     */
+    getDocumentPageRanges: function() {
+      var page_ranges = pageRangeTextToPageRanges(this.getValue(),
+                                                  this.documentInfo_.pageCount);
+      return page_ranges ? page_ranges : [];
+    },
   };
 
   // Export