Rename RootWindowHost to WindowTreeHost

ui/views/test/ui_controls_factory_desktop_aurax11.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 
 // X macro fail.
 #if defined(RootWindow)
 #undef RootWindow
@@ skipping 241 matching lines @@
     }
     marker_event->xclient.message_type = MarkerEventAtom();
     XSendEvent(x_display_, x_window_, False, 0, marker_event);
     new EventWaiter(closure, &Matcher);
   }
  private:
   aura::Window* RootWindowForPoint(const gfx::Point& point) {
     // Most interactive_ui_tests run inside of the aura_test_helper
     // environment. This means that we can't rely on gfx::Screen and several
     // other things to work properly. Therefore we hack around this by
-    // iterating across the windows owned DesktopRootWindowHostX11 since this
+    // iterating across the windows owned DesktopWindowTreeHostX11 since this
     // doesn't rely on having a DesktopScreenX11.
     std::vector<aura::Window*> windows =
-        DesktopRootWindowHostX11::GetAllOpenWindows();
+        DesktopWindowTreeHostX11::GetAllOpenWindows();
     for (std::vector<aura::Window*>::const_iterator it = windows.begin();
          it != windows.end(); ++it) {
       if ((*it)->GetBoundsInScreen().Contains(point)) {
         return (*it)->GetRootWindow();
       }
     }
 
     NOTREACHED() << "Coulding find RW for " << point.ToString() << " among "
                  << windows.size() << " RWs.";
     return NULL;
@@ skipping 28 matching lines @@
 };
 
 }  // namespace
 
 UIControlsAura* CreateUIControlsDesktopAura() {
   return new UIControlsDesktopX11();
 }
 
 }  // namespace test
 }  // namespace views