minidump: Use forward declarations in more places

minidump/minidump_writable.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_writable.h"
 
+#include <stdint.h>
+
+#include <limits>
+
 #include "base/logging.h"
+#include "util/file/file_writer.h"
 #include "util/numeric/safe_assignment.h"
 
 namespace {
 
 const size_t kMaximumAlignment = 16;
 
 }  // namespace
 
 namespace crashpad {
 namespace internal {
@@ skipping 227 matching lines @@
   if (!WriteObject(file_writer)) {
     return false;
   }
 
   state_ = kStateWritten;
   return true;
 }
 
 }  // namespace internal
 }  // namespace crashpad