Add a feature-controlled persistence checkbox to geolocation prompts on desktop Views platforms.

chrome/browser/ui/views/website_settings/permission_prompt_impl.h

Index: chrome/browser/ui/views/website_settings/permission_prompt_impl.h
diff --git a/chrome/browser/ui/views/website_settings/permission_prompt_impl.h b/chrome/browser/ui/views/website_settings/permission_prompt_impl.h
index 7deae51902e0df68068e990bdc398c179f3ef465..c8e6fc955853a43ca9765ea87cf00f070bd095d5 100644
--- a/chrome/browser/ui/views/website_settings/permission_prompt_impl.h
+++ b/chrome/browser/ui/views/website_settings/permission_prompt_impl.h
@@ -37,7 +37,8 @@ class PermissionPromptImpl : public PermissionPrompt {
   gfx::NativeWindow GetNativeWindow() override;
 
   void Closing();
-  void Toggle(int index, bool value);
+  void ToggleAccept(int index, bool value);
+  void TogglePersist(bool value);
   void Accept();
   void Deny();