minidump: Use forward declarations in more places

minidump/minidump_string_writer.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,
 // 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 "minidump/minidump_string_writer.h"
 
+#include <sys/types.h>
+
 #include "base/logging.h"
 #include "minidump/minidump_writer_util.h"
+#include "util/file/file_writer.h"
 #include "util/numeric/safe_assignment.h"
 
 namespace crashpad {
 namespace internal {
 
 template <typename Traits>
 MinidumpStringWriter<Traits>::MinidumpStringWriter()
     : MinidumpWritable(), string_base_(), string_() {
 }
 
@@ skipping 52 matching lines @@
 template class MinidumpStringWriter<MinidumpStringWriterUTF8Traits>;
 
 void MinidumpUTF16StringWriter::SetUTF8(const std::string& string_utf8) {
   DCHECK_EQ(state(), kStateMutable);
 
   set_string(MinidumpWriterUtil::ConvertUTF8ToUTF16(string_utf8));
 }
 
 }  // namespace internal
 }  // namespace crashpad