win: Work towards getting 'minidump' to compile

compat/non_win/windows.h

 // 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"
-
-namespace crashpad {
-
-CrashReportDatabase::Report::Report()
-    : uuid(), file_path(), id(), creation_time(0), uploaded(false),
-      last_upload_attempt_time(0), upload_attempts(0) {
-}
-
-}  // namespace crashpad
+// dbghelp.h on Windows requires inclusion of windows.h before it. To avoid
+// cluttering all inclusions of dbghelp.h with #ifdefs, always include windows.h
+// and have an empty one on non-Windows platforms.