Use LockFile/UnlockFile for Settings to port to Windows

client/crash_report_database_win.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,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "client/crash_report_database.h"
 
-#include <rpc.h>
 #include <string.h>
 #include <time.h>
 #include <windows.h>
 
 #include "base/logging.h"
 #include "base/numerics/safe_math.h"
 #include "base/strings/string16.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "util/misc/initialization_state_dcheck.h"
@@ skipping 538 matching lines @@
 
   // Port to Win https://code.google.com/p/crashpad/issues/detail?id=13.
   NOTREACHED();
   return nullptr;
 }
 
 OperationStatus CrashReportDatabaseWin::PrepareNewCrashReport(
     NewReport** report) {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
 
-  ::UUID system_uuid;
-  if (UuidCreate(&system_uuid) != RPC_S_OK)
+  scoped_ptr<NewReport> new_report(new NewReport());
+  if (!new_report->uuid.InitializeWithNew())
     return kFileSystemError;
-
-  scoped_ptr<NewReport> new_report(new NewReport());
-  new_report->uuid.InitializeFromSystemUUID(&system_uuid);
   new_report->path = base_dir_.Append(kReportsDirectory)
                          .Append(new_report->uuid.ToString16() + L"." +
                                  kCrashReportFileExtension);
   new_report->handle = LoggingOpenFileForWrite(new_report->path,
                                                FileWriteMode::kCreateOrFail,
                                                FilePermissions::kOwnerOnly);
   if (new_report->handle == INVALID_HANDLE_VALUE)
     return kFileSystemError;
 
   *report = new_report.release();
@@ skipping 157 matching lines @@
 // static
 scoped_ptr<CrashReportDatabase> CrashReportDatabase::Initialize(
     const base::FilePath& path) {
   scoped_ptr<CrashReportDatabaseWin> database_win(
       new CrashReportDatabaseWin(path));
   return database_win->Initialize() ? database_win.Pass()
                                     : scoped_ptr<CrashReportDatabaseWin>();
 }
 
 }  // namespace crashpad