Fix silent truncations when extracting values from CheckedNumeric

third_party/crashpad/crashpad/util/file/string_file.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 139 matching lines @@
     LOG(ERROR) << "Seek(): base_offset " << base_offset
                << " invalid for FileOffset";
     return -1;
   }
   base::CheckedNumeric<FileOffset> new_offset(base_offset_fileoffset);
   new_offset += offset;
   if (!new_offset.IsValid()) {
     LOG(ERROR) << "Seek(): new_offset invalid";
     return -1;
   }
-  FileOffset new_offset_fileoffset = new_offset.ValueOrDie();
   size_t new_offset_sizet;
-  if (!AssignIfInRange(&new_offset_sizet, new_offset_fileoffset)) {
-    LOG(ERROR) << "Seek(): new_offset " << new_offset_fileoffset
+  if (!new_offset.AssignIfValid(&new_offset_sizet)) {
+    LOG(ERROR) << "Seek(): new_offset " << new_offset.ValueOrDie()
                << " invalid for size_t";
     return -1;
   }
 
   offset_ = new_offset_sizet;
 
-  return offset_.ValueOrDie();
+  return base::ValueOrDieForType<FileOffset>(offset_);
 }
 
 }  // namespace crashpad