cros: Open play store app for md-settings stylus "Find more apps" link

chrome/browser/ui/webui/settings/chromeos/device_stylus_handler.h

Index: chrome/browser/ui/webui/settings/chromeos/device_stylus_handler.h
diff --git a/chrome/browser/ui/webui/settings/chromeos/device_stylus_handler.h b/chrome/browser/ui/webui/settings/chromeos/device_stylus_handler.h
index a21c40ec6c18ec222bb8ac61c0f821647d2e3e82..b8cd2567f9940ba9dba3366cdc71a2dd306dc10d 100644
--- a/chrome/browser/ui/webui/settings/chromeos/device_stylus_handler.h
+++ b/chrome/browser/ui/webui/settings/chromeos/device_stylus_handler.h
@@ -48,6 +48,9 @@ class StylusHandler : public ::settings::SettingsPageUIHandler,
   // Enables or disables the stylus UI section.
   void SendHasStylus();
 
+  // Called by JS to show the Play Store Android app.
+  void ShowPlayStoreApps(const base::ListValue* args);
+
   // IDs of available note-taking apps.
   std::set<std::string> note_taking_app_ids_;