Make a pure mojo::View version of the aura::Window FocusController.

sky/tools/debugger/debugger.cc

Index: sky/tools/debugger/debugger.cc
diff --git a/sky/tools/debugger/debugger.cc b/sky/tools/debugger/debugger.cc
index 4fdbbe88474418948f5b98dd381a9b708e2c6095..124cc69ebecd6f9e086154aa0a6ec3f369c061a4 100644
--- a/sky/tools/debugger/debugger.cc
+++ b/sky/tools/debugger/debugger.cc
@@ -4,6 +4,8 @@
 
 #include "sky/tools/debugger/debugger.h"
 
+#include "mojo/services/window_manager/basic_focus_rules.h"
+
 namespace sky {
 namespace debugger {
 
@@ -59,7 +61,7 @@ void SkyDebugger::OnEmbed(
   root_->AddChild(content_);
 
   window_manager_app_->InitFocus(
-      new FocusRules(window_manager_app_.get(), content_));
+      new mojo::BasicFocusRules(window_manager_app_.get(), content_));
 
   if (!pending_url_.empty())
     NavigateToURL(pending_url_);