Print Preview: Display a throbber when the user requests the system print

chrome/browser/resources/print_preview/print_preview.css

Index: chrome/browser/resources/print_preview/print_preview.css
diff --git a/chrome/browser/resources/print_preview/print_preview.css b/chrome/browser/resources/print_preview/print_preview.css
index 2d91639ebc25308b0f1f30624f6e15e23111c435..60701d02248494bacdc76153f4d1765482f72a02 100644
--- a/chrome/browser/resources/print_preview/print_preview.css
+++ b/chrome/browser/resources/print_preview/print_preview.css
@@ -172,7 +172,10 @@ hr.invisible {
   display: none;
 }
 
-a {
+/* TODO(jhawkins): Remove this specialization once all WebUI shares the same
+ * link-button styling.
+ */
+#system-dialog-link {

[dpapad, 2011/06/23 02:06:47]

You need to add here
-webkit-padding-start: 0
to override the padding of the button class, so that the text is displayed
aligned with the other labels.

[James Hawkins, 2011/06/27 21:58:17]

Done.

   -webkit-transition: text-shadow 150ms;
   color: #4080fa;
   outline: 0;
@@ -180,16 +183,16 @@ a {
   text-shadow: 0 0 1px white;
 }
 
-a:hover {
+#system-dialog-link:hover {
   text-shadow: 0 0 1px rgba(85, 143, 250, .75);
 }
 
-a:active {
+#system-dialog-link:active {
   color: #4080fa;
   text-shadow: 0 0 1px rgba(64, 128, 250, 1);
 }
 
-a:focus {
+#system-dialog-link:focus {
   -webkit-transition: border-color 200ms;
   border-radius: 2px;
   border: 1px solid rgba(85, 143, 250, .8);
@@ -197,6 +200,12 @@ a:focus {
   padding: 1px 4px;
 }
 
+#system-dialog-link:disabled {
+  color: rgba(0, 0, 0, .5);
+  cursor: default;
+  text-shadow: none;
+}
+
 strong {
   font-weight: 600;
 }