Fix aura_unittests for Ozone X11.

ui/platform_window/x11/x11_window_base.h

Index: ui/platform_window/x11/x11_window_base.h
diff --git a/ui/platform_window/x11/x11_window_base.h b/ui/platform_window/x11/x11_window_base.h
index aefbbcc1949b5f20b12b00c60c6461c5f81af7de..9e7e17be1a735afad4d1634ea3e3abb9e95e8bcd 100644
--- a/ui/platform_window/x11/x11_window_base.h
+++ b/ui/platform_window/x11/x11_window_base.h
@@ -24,7 +24,7 @@ class XScopedEventSelector;
 // are platform specific are left unimplemented.
 class X11_WINDOW_EXPORT X11WindowBase : public PlatformWindow {
  public:
-  explicit X11WindowBase(PlatformWindowDelegate* delegate);
+  X11WindowBase(PlatformWindowDelegate* delegate, const gfx::Rect& bounds);
   ~X11WindowBase() override;
 
   // Creates new underlying XWindow. Does not map XWindow.
@@ -71,11 +71,8 @@ class X11_WINDOW_EXPORT X11WindowBase : public PlatformWindow {
 
   base::string16 window_title_;
 
-  // Setting the bounds is an asynchronous operation in X11. |requested_bounds_|
-  // is the bounds requested using XConfigureWindow, and |confirmed_bounds_| is
-  // the bounds the X11 server has set on the window.
-  gfx::Rect requested_bounds_;
-  gfx::Rect confirmed_bounds_;
+  // The bounds of |xwindow_|.
+  gfx::Rect bounds_;
 
   bool window_mapped_ = false;