Scrap WNDCLASSEX.hCursor, update GetCursorForPoint, etc.

views/widget/widget_win.cc

Index: views/widget/widget_win.cc
diff --git a/views/widget/widget_win.cc b/views/widget/widget_win.cc
index 5cacc9b4868afd68d59170fb3e1f79f3aff4bce2..733006fa29f1e5c2b08ddbb525506513c973e427 100644
--- a/views/widget/widget_win.cc
+++ b/views/widget/widget_win.cc
@@ -145,7 +145,6 @@ WidgetWin::WidgetWin()
       restore_focus_when_enabled_(false),
       accessibility_view_events_index_(-1),
       accessibility_view_events_(kMaxAccessibilityViewEvents),
-      previous_cursor_(NULL),
       is_input_method_win_(false) {
   set_native_widget(this);
 }
@@ -435,12 +434,7 @@ void WidgetWin::SchedulePaintInRect(const gfx::Rect& rect) {
 }
 
 void WidgetWin::SetCursor(gfx::NativeCursor cursor) {
-  if (cursor) {
-    previous_cursor_ = ::SetCursor(cursor);
-  } else if (previous_cursor_) {
-    ::SetCursor(previous_cursor_);
-    previous_cursor_ = NULL;
-  }
+  ::SetCursor(cursor);
 }
 
 void WidgetWin::NotifyAccessibilityEvent(