Don't show the zoom bubble when the settings menu is showing on views or GTK.

chrome/browser/ui/views/toolbar_view.h

Index: chrome/browser/ui/views/toolbar_view.h
diff --git a/chrome/browser/ui/views/toolbar_view.h b/chrome/browser/ui/views/toolbar_view.h
index 1448de3c224e1b045c147030c3a67cb42bd9e77e..a29f3965c5b39276c4ed32d92826c26e7f38d511 100644
--- a/chrome/browser/ui/views/toolbar_view.h
+++ b/chrome/browser/ui/views/toolbar_view.h
@@ -159,6 +159,9 @@ class ToolbarView : public views::AccessiblePaneView,
   virtual std::string GetClassName() const OVERRIDE;
   virtual bool AcceleratorPressed(const ui::Accelerator& acc) OVERRIDE;
 
+  // Whether the wrench/hotdogs menu is currently showing.
+  bool IsWrenchMenuShowing() const;
+
   // The apparent horizontal space between most items, and the vertical padding
   // above and below them.
   static const int kStandardSpacing;