Backout 55adba3eb627 bug 902539 for missing review comment.

browser/devtools/debugger/test/browser_dbg_variables-view-01.js

@@ -100,26 +100,19 @@ function test() {
     ok(!testScope.expanded,
       "The testScope should remember it is collapsed after it is reshown.");
 
-    EventUtils.sendMouseEvent({ type: "mousedown", button: 1 },
-      testScope.target.querySelector(".title"),
-      aPanel.panelWin);
-
-    ok(!testScope.expanded,
-      "Clicking the testScope title with the right mouse button should't expand it.");
-
     EventUtils.sendMouseEvent({ type: "mousedown" },
       testScope.target.querySelector(".title"),
       aPanel.panelWin);
 
     ok(testScope.expanded,
-      "Clicking the testScope title should expand it.");
+      "Clicking the testScope tilte should expand it.");
 
     EventUtils.sendMouseEvent({ type: "mousedown" },
       testScope.target.querySelector(".title"),
       aPanel.panelWin);
 
     ok(!testScope.expanded,
-      "Clicking again the testScope title should collapse it.");
+      "Clicking again the testScope tilte should collapse it.");
 
     closeDebuggerAndFinish(aPanel);
   });

browser/devtools/shared/widgets/VariablesView.jsm

@@ -1651,8 +1651,7 @@ Scope.prototype = {
    * The click listener for this scope's title.
    */
   _onClick: function(e) {
-    if (e.button != 0 ||
+    if (e.target == this._inputNode ||
-        e.target == this._inputNode ||
         e.target == this._editNode ||
         e.target == this._deleteNode) {
       return;
@@ -2779,10 +2778,6 @@ Variable.prototype = Heritage.extend(Scope.prototype, {
    * The click listener for the edit button.
    */
   _onEdit: function(e) {
-    if (e.button != 0) {
-      return;
-    }
-
     e.preventDefault();
     e.stopPropagation();
     this._activateValueInput();
@@ -2792,10 +2787,6 @@ Variable.prototype = Heritage.extend(Scope.prototype, {
    * The click listener for the delete button.
    */
   _onDelete: function(e) {
-    if ("button" in e && e.button != 0) {
-      return;
-    }
-
     e.preventDefault();
     e.stopPropagation();