Fix silent truncations when extracting values from CheckedNumeric

media/base/video_util.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 "media/base/video_util.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 252 matching lines @@
   }
 }
 
 // Helper function to return |a| divided by |b|, rounded to the nearest integer.
 static int RoundedDivision(int64_t a, int b) {
   DCHECK_GE(a, 0);
   DCHECK_GT(b, 0);
   base::CheckedNumeric<uint64_t> result(a);
   result += b / 2;
   result /= b;
-  return base::checked_cast<int>(result.ValueOrDie());
+  return base::ValueOrDieForType<int>(result);
 }
 
 // Common logic for the letterboxing and scale-within/scale-encompassing
 // functions.  Scales |size| to either fit within or encompass |target|,
 // depending on whether |fit_within_target| is true.
 static gfx::Size ScaleSizeToTarget(const gfx::Size& size,
                                    const gfx::Size& target,
                                    bool fit_within_target) {
   if (size.IsEmpty())
     return gfx::Size();  // Corner case: Aspect ratio is undefined.
@@ skipping 129 matching lines @@
       dst_frame->stride(VideoFrame::kVPlane),
       VideoFrame::PlaneSize(PIXEL_FORMAT_I420, VideoFrame::kVPlane,
                             dst_frame->coded_size()),
       VideoFrame::PlaneSize(PIXEL_FORMAT_I420, VideoFrame::kVPlane,
                             src_frame.visible_rect().size()));
 
   return true;
 }
 
 }  // namespace media