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

chrome/browser/ui/gtk/browser_toolbar_gtk.cc

Index: chrome/browser/ui/gtk/browser_toolbar_gtk.cc
diff --git a/chrome/browser/ui/gtk/browser_toolbar_gtk.cc b/chrome/browser/ui/gtk/browser_toolbar_gtk.cc
index 903c1fc54115bee8a24468224177a1e31d4d1596..a33b411292745547d7f4d52e26d2e57776563a80 100644
--- a/chrome/browser/ui/gtk/browser_toolbar_gtk.cc
+++ b/chrome/browser/ui/gtk/browser_toolbar_gtk.cc
@@ -428,6 +428,10 @@ void BrowserToolbarGtk::UpdateWebContents(WebContents* contents,
     actions_toolbar_->Update();
 }
 
+bool BrowserToolbarGtk::IsWrenchMenuShowing() const {
+  return wrench_menu_.get() && gtk_widget_get_visible(wrench_menu_->widget());
+}
+
 // BrowserToolbarGtk, private --------------------------------------------------
 
 void BrowserToolbarGtk::SetUpDragForHomeButton(bool enable) {