Print Preview: Changing visuals for the checkboxes to be checkmarks.

chrome/browser/resources/print_preview.css

Index: chrome/browser/resources/print_preview.css
diff --git a/chrome/browser/resources/print_preview.css b/chrome/browser/resources/print_preview.css
index fe013b0904b1f5ad0dd3374dde26f99450891b0b..257cadb410be6cb0fa2c52c8590b3752c4f202e3 100644
--- a/chrome/browser/resources/print_preview.css
+++ b/chrome/browser/resources/print_preview.css
@@ -224,8 +224,7 @@ button.default {
   -webkit-padding-end: 21px;
   -webkit-padding-start: 21px;
   border-color: #808080;
-  border-width: 2px;
-  font-weight: 600;
+  font-weight: bold;
 }
 
 button.default:disabled {
@@ -321,20 +320,12 @@ input[type='checkbox']:active {
 }
 
 input[type='checkbox']:checked:before {
-  -webkit-box-shadow: 0 1px 0 rgba(255, 255, 255, .5);
   color: #808080;
-  content: '×';
-  display: inline-block;
-  font-size: 21px;
-  font-weight: bold;
+  content: url('./print_preview/checkmark.png');
   height: 16px;
-  line-height: 16px;
+  left: 2px;
   opacity: 1;
-  overflow: hidden;
   position: absolute;
-  text-align: center;
-  top: -1px;
-  width: 16px;
 }
 
 input[type='radio'] {
@@ -390,7 +381,6 @@ input[type='radio']:checked:before {
   width: 5px;
 }
 
-html[dir='rtl'] input[type='checkbox']:checked:before,
 html[dir='rtl'] input[type='radio']:checked:before {
   right: 0;
 }