ui: Convert scoped_arrays to the new scoped_ptr style.

ui/base/gestures/velocity_calculator.h

 // 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.
 
 #ifndef UI_BASE_GESTURES_VELOCITY_CALCULATOR_H_
 #define UI_BASE_GESTURES_VELOCITY_CALCULATOR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 14 matching lines @@
 
  private:
   struct Point {
     int x;
     int y;
     int64 time;
   };
 
   void UpdateVelocity();
 
-  typedef scoped_array<Point> HistoryBuffer;
+  typedef scoped_ptr<Point[]> HistoryBuffer;
   HistoryBuffer buffer_;
 
   // index_ points directly after the last point added.
   int index_;
   size_t num_valid_entries_;
   const size_t buffer_size_;
   float x_velocity_;
   float y_velocity_;
   bool velocities_stale_;
   DISALLOW_COPY_AND_ASSIGN(VelocityCalculator);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_GESTURES_VELOCITY_CALCULATOR_H_