Add tooltips to firefox print preview toolbar. Bug 250446, patch by

Gavin Sharp <gavin.sharp@gmail.com>, r=bsmedberg

toolkit/components/printing/content/printPreviewBindings.xml

@@ -62,9 +62,9 @@
         <xul:label value="&page.label;"/>
       </xul:vbox>
       <xul:toolbarbutton class="home-arrow"
-        oncommand="parentNode.navigate(0, 0, 'home');"/>
+        oncommand="parentNode.navigate(0, 0, 'home');" tooltiptext="&homearrow.tooltip;"/>
       <xul:toolbarbutton class="left-arrow" 
-        oncommand="parentNode.navigate(-1, 0, 0);"/>
+        oncommand="parentNode.navigate(-1, 0, 0);" tooltiptext="&leftarrow.tooltip;"/>
       <xul:hbox align="center" pack="center">
         <xul:textbox size="3" value="1" lastvalid="1"
           onblur="navigate(0, this.value, 0);"
@@ -73,9 +73,9 @@
         <xul:label value="1"/>
       </xul:hbox>
       <xul:toolbarbutton class="right-arrow" 
-        oncommand="parentNode.navigate(1, 0, 0);"/>
+        oncommand="parentNode.navigate(1, 0, 0);" tooltiptext="&rightarrow.tooltip;"/>
       <xul:toolbarbutton class="end-arrow"
-        oncommand="parentNode.navigate(0, 0, 'end');"/>
+        oncommand="parentNode.navigate(0, 0, 'end');" tooltiptext="&endarrow.tooltip;"/>
 
       <xul:toolbarseparator class="toolbarseparator-primary"/>
       <xul:vbox align="center" pack="center">

toolkit/locales/en-US/chrome/global/printPreview.dtd

@@ -64,3 +64,8 @@
 <!ENTITY Custom.label         "Custom...">
 <!ENTITY ShrinkToFit.label    "Shrink To Fit">
 <!ENTITY customPrompt.title   "Custom Scale...">
+
+<!ENTITY homearrow.tooltip    "First page">
+<!ENTITY endarrow.tooltip     "Last page">
+<!ENTITY rightarrow.tooltip   "Next page">
+<!ENTITY leftarrow.tooltip    "Previous page">