wm: Update a lot of code to use structs from geometry.h.

modality_handler.h

Index: modality_handler.h
diff --git a/modality_handler.h b/modality_handler.h
index ff66fb418e150c9f0cec2a2192a763a7ac17d83f..374889a88646fc7d54790ef14e73c6c2c398f7f8 100644
--- a/modality_handler.h
+++ b/modality_handler.h
@@ -38,29 +38,28 @@ class ModalityHandler : public EventConsumer,
   virtual void HandleWindowUnmap(Window* win);
   virtual void HandleWindowPixmapFetch(Window* win) {}
   virtual void HandleWindowConfigureRequest(Window* win,
-                                            int req_x, int req_y,
-                                            int req_width, int req_height) {}
+                                            const Rect& requested_bounds) {}
   virtual void HandleButtonPress(XWindow xid,
-                                 int x, int y,
-                                 int x_root, int y_root,
+                                 const Point& relative_pos,
+                                 const Point& absolute_pos,
                                  int button,
                                  XTime timestamp) {}
   virtual void HandleButtonRelease(XWindow xid,
-                                   int x, int y,
-                                   int x_root, int y_root,
+                                   const Point& relative_pos,
+                                   const Point& absolute_pos,
                                    int button,
                                    XTime timestamp) {}
   virtual void HandlePointerEnter(XWindow xid,
-                                  int x, int y,
-                                  int x_root, int y_root,
+                                  const Point& relative_pos,
+                                  const Point& absolute_pos,
                                   XTime timestamp) {}
   virtual void HandlePointerLeave(XWindow xid,
-                                  int x, int y,
-                                  int x_root, int y_root,
+                                  const Point& relative_pos,
+                                  const Point& absolute_pos,
                                   XTime timestamp) {}
   virtual void HandlePointerMotion(XWindow xid,
-                                   int x, int y,
-                                   int x_root, int y_root,
+                                   const Point& relative_pos,
+                                   const Point& absolute_pos,
                                    XTime timestamp) {}
   virtual void HandleChromeMessage(const WmIpc::Message& msg) {}
   virtual void HandleClientMessage(XWindow xid,