Add a "Simplify Page" option to the print preview dialog

chrome/browser/resources/print_preview/preview_generator.js

Index: chrome/browser/resources/print_preview/preview_generator.js
diff --git a/chrome/browser/resources/print_preview/preview_generator.js b/chrome/browser/resources/print_preview/preview_generator.js
index 597300f9fe351b7ed17228f95336fb390c8e6a61..eaba9e86a73bf5ac4da2105b14c84ead5db05713 100644
--- a/chrome/browser/resources/print_preview/preview_generator.js
+++ b/chrome/browser/resources/print_preview/preview_generator.js
@@ -72,6 +72,13 @@ cr.define('print_preview', function() {
     this.isLandscapeEnabled_ = false;
 
     /**
+     * Whether the previews are being generated from a distilled page.
+     * @type {boolean}
+     * @private
+     */
+    this.isDistillPageEnabled_ = false;
+
+    /**
      * Whether the previews are being generated with a header and footer.
      * @type {boolean}
      * @private
@@ -175,6 +182,8 @@ cr.define('print_preview', function() {
       this.isLandscapeEnabled_ = this.printTicketStore_.landscape.getValue();
       this.isHeaderFooterEnabled_ =
           this.printTicketStore_.headerFooter.getValue();
+      this.isDistillPageEnabled_ =
+          this.printTicketStore_.distillPage.getValue();
       this.colorValue_ = this.printTicketStore_.color.getValue();
       this.isFitToPageEnabled_ = this.printTicketStore_.fitToPage.getValue();
       this.pageRanges_ = this.printTicketStore_.pageRange.getPageRanges();
@@ -274,6 +283,8 @@ cr.define('print_preview', function() {
           !ticketStore.mediaSize.isValueEqual(this.mediaSize_) ||
           !ticketStore.landscape.isValueEqual(this.isLandscapeEnabled_) ||
           !ticketStore.headerFooter.isValueEqual(this.isHeaderFooterEnabled_) ||
+          !ticketStore.distillPage.isValueEqual(
+              this.isDistillPageEnabled_) ||
           !ticketStore.color.isValueEqual(this.colorValue_) ||
           !ticketStore.fitToPage.isValueEqual(this.isFitToPageEnabled_) ||
           this.pageRanges_ == null ||