Splits debug_commands into aura and non-aura parts

ash/common/wm_root_window_controller.h

Index: ash/common/wm_root_window_controller.h
diff --git a/ash/common/wm_root_window_controller.h b/ash/common/wm_root_window_controller.h
index ad26b546c2cfe77cea17b552a00d7e5d4b023713..792b01e742e725196b781d2bdf5980ed1e6414fc 100644
--- a/ash/common/wm_root_window_controller.h
+++ b/ash/common/wm_root_window_controller.h
@@ -59,6 +59,10 @@ class ASH_EXPORT WmRootWindowController {
   // may extend outside the bounds of the window.
   virtual WmWindow* FindEventTarget(const gfx::Point& location_in_screen) = 0;
 
+  // Gets the last location seen in a mouse event in this root window's
+  // coordinates. This may return a point outside the root window's bounds.
+  virtual gfx::Point GetLastMouseLocationInRoot() = 0;
+
   virtual void AddObserver(WmRootWindowControllerObserver* observer) = 0;
   virtual void RemoveObserver(WmRootWindowControllerObserver* observer) = 0;
 };