3 files changed, 13 insertions, 0 deletions
diff --git a/chrome/browser/cocoa/wrench_menu_controller.mm b/chrome/browser/cocoa/wrench_menu_controller.mm
index ce17447..4f4c894 100644
--- a/chrome/browser/cocoa/wrench_menu_controller.mm
+++ b/chrome/browser/cocoa/wrench_menu_controller.mm
@@ -74,6 +74,12 @@
   NSString* title = base::SysUTF16ToNSString(
       [self wrenchMenuModel]->GetLabelForCommandId(IDC_ZOOM_PERCENT_DISPLAY));
   [[zoomItem_ viewWithTag:IDC_ZOOM_PERCENT_DISPLAY] setTitle:title];
+  bool plusEnabled = [self wrenchMenuModel]->IsCommandIdEnabled(IDC_ZOOM_PLUS);
+  bool minusEnabled = [self wrenchMenuModel]->IsCommandIdEnabled(
+      IDC_ZOOM_MINUS);
+
+  [zoomPlus_ setEnabled:plusEnabled];
+  [zoomMinus_ setEnabled:minusEnabled];
 
   NSImage* icon = [self wrenchMenuModel]->browser()->window()->IsFullscreen() ?
       [NSImage imageNamed:NSImageNameExitFullScreenTemplate] :
diff --git a/chrome/browser/wrench_menu_model.cc b/chrome/browser/wrench_menu_model.cc
index c48b973..27d8e09 100644
--- a/chrome/browser/wrench_menu_model.cc
+++ b/chrome/browser/wrench_menu_model.cc
@@ -396,3 +396,9 @@ bool WrenchMenuModel::IsDynamicItem(int index) const {
   return command_id == IDC_SYNC_BOOKMARKS ||
          command_id == IDC_ABOUT;
 }
+
+bool WrenchMenuModel::IsCommandIdEnabled(int command_id) const {
+  if (delegate_)
+    return delegate_->IsCommandIdEnabled(command_id);
+  return true;
+}
diff --git a/chrome/browser/wrench_menu_model.h b/chrome/browser/wrench_menu_model.h
index 7507507..f8eece1 100644
--- a/chrome/browser/wrench_menu_model.h
+++ b/chrome/browser/wrench_menu_model.h
@@ -94,6 +94,7 @@ class WrenchMenuModel : public menus::SimpleMenuModel,
   virtual bool IsLabelForCommandIdDynamic(int command_id) const;
   virtual string16 GetLabelForCommandId(int command_id) const;
   virtual void ExecuteCommand(int command_id);
+  virtual bool IsCommandIdEnabled(int command_id) const;
 
   // Overridden from TabStripModelObserver:
   virtual void TabSelectedAt(TabContents* old_contents,