Fix "unused variable" warnings.

chromeos/binder/transaction_data_reader.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/binder/transaction_data_reader.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "chromeos/binder/binder_driver_api.h"
 #include "chromeos/binder/local_object.h"
 #include "chromeos/binder/object.h"
 #include "chromeos/binder/remote_object.h"
 #include "chromeos/binder/transaction_data.h"
 
 namespace binder {
 
 namespace {
 
 // Adds appropriate padding to the given size to make it 4-byte aligned.
 size_t AddPadding(size_t n) {
   return (n + 3) & (~3);
 }
 
 }  // namespace
 
 TransactionDataReader::TransactionDataReader(const TransactionData& data)
-    : data_(data),
-      reader_(reinterpret_cast<const char*>(data.GetData()),
+    : reader_(reinterpret_cast<const char*>(data.GetData()),
               data.GetDataSize()) {}
 
 TransactionDataReader::~TransactionDataReader() {}
 
 bool TransactionDataReader::HasMoreData() const {
   return reader_.HasMoreData();
 }
 
 bool TransactionDataReader::ReadData(void* buf, size_t n) {
   DCHECK(buf);
@@ skipping 90 matching lines @@
 bool TransactionDataReader::ReadFileDescriptor(int* fd) {
   flat_binder_object obj = {};
   if (!ReadData(&obj, sizeof(obj)) || obj.type != BINDER_TYPE_FD) {
     return false;
   }
   *fd = obj.handle;
   return true;
 }
 
 }  // namespace binder