Clean up header files.

ui/views/view_targeter_delegate.cc

 // Copyright 2014 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 "ui/views/view_targeter_delegate.h"
 
+#include <limits.h>
+
 #include "ui/gfx/geometry/rect_conversions.h"
 #include "ui/views/rect_based_targeting_utils.h"
 #include "ui/views/view.h"
 
 namespace {
 
 // The minimum percentage of a view's area that needs to be covered by a rect
 // representing a touch region in order for that view to be considered by the
 // rect-based targeting algorithm.
 static const float kRectTargetOverlap = 0.6f;
@@ skipping 78 matching lines @@
     int cur_dist = views::DistanceSquaredFromCenterToPoint(touch_center,
                                                            local_bounds);
     if (!rect_view || cur_dist < rect_view_distance)
       rect_view = root;
   }
 
   return rect_view ? rect_view : point_view;
 }
 
 }  // namespace views