Splits debug_commands into aura and non-aura parts

ash/aura/wm_root_window_controller_aura.cc

Index: ash/aura/wm_root_window_controller_aura.cc
diff --git a/ash/aura/wm_root_window_controller_aura.cc b/ash/aura/wm_root_window_controller_aura.cc
index 0bb740fe290cc40c616c97bd878127047edba843..07ff348f228ccec35b14ff541fc84bc64985a94b 100644
--- a/ash/aura/wm_root_window_controller_aura.cc
+++ b/ash/aura/wm_root_window_controller_aura.cc
@@ -16,7 +16,9 @@
 #include "ash/shell.h"
 #include "ash/wm/workspace_controller.h"
 #include "ui/aura/window.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_property.h"
+#include "ui/aura/window_tree_host.h"
 #include "ui/events/event_targeter.h"
 #include "ui/events/event_utils.h"
 
@@ -114,6 +116,12 @@ WmWindow* WmRootWindowControllerAura::FindEventTarget(
   return WmWindowAura::Get(static_cast<aura::Window*>(event_handler));
 }
 
+gfx::Point WmRootWindowControllerAura::GetLastMouseLocationInRoot() {
+  return root_window_controller_->GetHost()
+      ->dispatcher()
+      ->GetLastMouseLocationInRoot();
+}
+
 void WmRootWindowControllerAura::AddObserver(
     WmRootWindowControllerObserver* observer) {
   observers_.AddObserver(observer);