Bug 732451 - Need an Empty Stack placeholder in the script debugger; r=past

browser/devtools/debugger/debugger-view.js

@@ -499,7 +499,7 @@ StackFramesView.prototype = {
 
     // The empty node should look grayed out to avoid confusion.
     item.className = "empty list-item";
-    item.appendChild(document.createTextNode(L10N.getStr("emptyText")));
+    item.appendChild(document.createTextNode(L10N.getStr("emptyStackText")));
 
     this._frames.appendChild(item);
   },

browser/locales/en-US/chrome/browser/devtools/debugger.properties

@@ -38,9 +38,9 @@ withScope=With block
 # pane as a header on container for identifiers in a closure scope.
 closureScope=Closure
 
-# LOCALIZATION NOTE (emptyText): The text that is displayed in the stack frames
-# list when there are no frames to display.
-emptyText=Empty
+# LOCALIZATION NOTE (emptyStackText): The text that is displayed in the stack
+# frames list when there are no frames to display.
+emptyStackText=No stacks to display.
 
 # LOCALIZATION NOTE (loadingText): The text that is displayed in the script
 # editor when the laoding process has started but there is no file to display