Use new ScopedGeneric move support.

client/settings.cc

 // Copyright 2015 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 198 matching lines @@
     PLOG(ERROR) << "ftruncate settings file";
     return false;
   }
 
   return LoggingWriteFile(handle, &data, sizeof(Data));
 }
 
 bool Settings::RecoverSettings(FileHandle handle, Data* out_data) {
   ScopedFileHandle scoped_handle;
   if (handle == kInvalidFileHandle) {
-    scoped_handle.reset(OpenForReadingAndWriting().release());
+    scoped_handle = OpenForReadingAndWriting();
     handle = scoped_handle.get();
 
     // Test if the file has already been recovered now that the exclusive lock
     // is held.
     if (ReadSettings(handle, out_data))
       return true;
   }
 
   LOG(INFO) << "Recovering settings file " << file_path().value();
 
@@ skipping 12 matching lines @@
   uuid_t uuid;
   uuid_generate(uuid);
 
   Data settings;
   settings.client_id.InitializeFromBytes(uuid);
 
   return WriteSettings(handle, settings);
 }
 
 }  // namespace crashpad