Permission bubble should not be key window when it appears.

chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm

Index: chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm b/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
index 0e73629f38f6f39dd563729eea6ff0624ab392e0..27bcd8021ef374ecfa6625f1ed16a2c61c33b37e 100644
--- a/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
@@ -218,6 +218,7 @@ class MenuDelegate : public ui::SimpleMenuModel::Delegate {
                        parentWindow:parentWindow
                          anchoredAt:NSZeroPoint])) {
     [self setShouldCloseOnResignKey:NO];
+    [self setShouldOpenAsKeyWindow:NO];
     [[self bubble] setArrowLocation:info_bubble::kTopLeft];
     bridge_ = bridge;
   }