Wire up inset of SetUnderlaySurfaceOffsetAndExtendedHitArea

components/mus/ws/server_window.h

Index: components/mus/ws/server_window.h
diff --git a/components/mus/ws/server_window.h b/components/mus/ws/server_window.h
index 89d291b393581b6e8049916c40b74d198654eafc..7cadc08faf15489c15edee50e1f038f3d024b9b3 100644
--- a/components/mus/ws/server_window.h
+++ b/components/mus/ws/server_window.h
@@ -134,10 +134,20 @@ class ServerWindow {
   // Called when its appropriate to destroy surfaces scheduled for destruction.
   void DestroySurfacesScheduledForDestruction();
 
+  const gfx::Insets& extended_hit_test_region() const {
+    return extended_hit_test_region_;
+  }
+  void set_extended_hit_test_region(const gfx::Insets& insets) {
+    extended_hit_test_region_ = insets;
+  }
+
   ServerWindowSurfaceManager* GetOrCreateSurfaceManager();
   ServerWindowSurfaceManager* surface_manager() {
     return surface_manager_.get();
   }
+  const ServerWindowSurfaceManager* surface_manager() const {
+    return surface_manager_.get();
+  }
 
   // Offset of the underlay from the the window bounds (used for shadows).
   const gfx::Vector2d& underlay_offset() const { return underlay_offset_; }
@@ -190,6 +200,10 @@ class ServerWindow {
 
   gfx::Vector2d underlay_offset_;
 
+  // The hit test for windows extends outside the bounds of the window by this
+  // amount.
+  gfx::Insets extended_hit_test_region_;
+
   base::ObserverList<ServerWindowObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(ServerWindow);