Use a direct include of strings headers in ui/, part 1.

ui/base/gestures/gesture_sequence.cc

 // Copyright (c) 2012 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/base/gestures/gesture_sequence.h"
 
 #include <cmath>
 #include <stdlib.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/string_number_conversions.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/time.h"
 #include "ui/base/events/event.h"
 #include "ui/base/events/event_constants.h"
 #include "ui/base/gestures/gesture_configuration.h"
 #include "ui/base/gestures/gesture_util.h"
 #include "ui/gfx/rect.h"
 
 namespace ui {
 
 namespace {
@@ skipping 1120 matching lines @@
     return;
 
   // Since long press timer has been started, there should be a non-NULL point.
   const GesturePoint* point = GetPointByPointId(0);
   if (!ui::gestures::IsInsideManhattanSquare(point->first_touch_position(),
       event.location()))
     GetLongPressTimer()->Stop();
 }
 
 }  // namespace ui