touch: Always expect XInput2 availability.

chrome/browser/chromeos/frame/panel_controller.cc

 // Copyright (c) 2011 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 "chrome/browser/chromeos/frame/panel_controller.h"
 
 #if defined(TOUCH_UI)
 #include <X11/Xlib.h>
-#if defined(HAVE_XINPUT2)
 #include <X11/extensions/XInput2.h>
 #endif
-#endif
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/wm_ipc.h"
@@ skipping 19 matching lines @@
 namespace {
 
 gfx::Point RootLocationFromXEvent(const XEvent* xev) {
   switch (xev->type) {
     case ButtonPress:
     case ButtonRelease:
       return gfx::Point(xev->xbutton.x_root, xev->xbutton.y_root);
     case MotionNotify:
       return gfx::Point(xev->xmotion.x_root, xev->xmotion.y_root);
 
-#if defined(HAVE_XINPUT2)
     case GenericEvent: {
       const XIDeviceEvent* xiev =
           static_cast<XIDeviceEvent*>(xev->xcookie.data);
       switch (xiev->evtype) {
         case XI_ButtonPress:
         case XI_ButtonRelease:
         case XI_Motion:
           return gfx::Point(static_cast<int>(xiev->root_x),
                             static_cast<int>(xiev->root_y));
       }
     }
-#endif  // defined(HAVE_XINPUT2)
 
     default:
       NOTREACHED();
   }
 
   return gfx::Point();
 }
 
 }  // namespace
 #endif  // defined(TOUCH_UI)
@@ skipping 437 matching lines @@
     views::Button* sender, const views::Event& event) {
   if (panel_controller_ && sender == close_button_)
     panel_controller_->OnCloseButtonPressed();
 }
 
 PanelController::TitleContentView::~TitleContentView() {
   VLOG(1) << "panel: delete " << this;
 }
 
 }  // namespace chromeos