Bug 1255542 - markupView.more.showAll should use a proper plural form. r=pbro, r=flod

devtools/client/inspector/markup/markup.js

@@ -59,6 +59,9 @@ loader.lazyGetter(this, "AutocompletePopup", () => {
   return require("devtools/client/shared/autocomplete-popup").AutocompletePopup;
 });
 
+XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
+  "resource://gre/modules/PluralForm.jsm");
+
 /**
  * Vocabulary for the purposes of this file:
  *
@@ -1548,11 +1551,12 @@ MarkupView.prototype = {
         }
 
         if (!(children.hasFirst && children.hasLast)) {
+          let nodesCount = container.node.numChildren;
+          let showAllString = PluralForm.get(nodesCount,
+            this.strings.GetStringFromName("markupView.more.showAll2"));
           let data = {
             showing: this.strings.GetStringFromName("markupView.more.showing"),
-            showAll: this.strings.formatStringFromName(
-                      "markupView.more.showAll",
-                      [container.node.numChildren.toString()], 1),
+            showAll: showAllString.replace("#1", nodesCount),
             allButtonClick: () => {
               container.maxChildren = -1;
               container.childrenDirty = true;

devtools/client/locales/en-US/inspector.properties

@@ -42,12 +42,17 @@ inspector.accesskey=I
 inspector.panelLabel=Inspector Panel
 inspector.panelLabel.markupView=Markup View
 
-# LOCALIZATION NOTE (markupView.more.*)
+# LOCALIZATION NOTE (markupView.more.showing)
 # When there are too many nodes to load at once, we will offer to
 # show all the nodes.
-# Keyboard shortcut for DOM and Style Inspector will shown inside brackets.
 markupView.more.showing=Some nodes were hidden.
-markupView.more.showAll=Show All %S Nodes
+
+# LOCALIZATION NOTE (markupView.more.showAll2): Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
+markupView.more.showAll2=Show one more node;Show all #1 nodes
+
+# LOCALIZATION NOTE (inspector.tooltip2)
+# Keyboard shortcut for DOM and Style Inspector will be shown inside brackets.
 inspector.tooltip2=DOM and Style Inspector (%S)
 
 #LOCALIZATION NOTE: Used in the image preview tooltip when the image could not be loaded