Tighten up compile warnings based to match other chromium sub-projects....

remoting/base/protocol_decoder.h

 // Copyright (c) 2010 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.
 
 #ifndef REMOTING_BASE_PROTOCOL_DECODER_H_
 #define REMOTING_BASE_PROTOCOL_DECODER_H_
 
 #include <deque>
 #include <vector>
 
@@ skipping 36 matching lines @@
   // Parse one message from |data_list_|. Return true if sucessful.
   template <typename T>
   bool ParseOneMessage(T** messages);
 
   // A utility method to read payload size of the protocol buffer from the
   // data list. Return false if we don't have enough data.
   bool GetPayloadSize(int* size);
 
   typedef std::deque<scoped_refptr<media::DataBuffer> > DataList;
   DataList data_list_;
-  int last_read_position_;
+  size_t last_read_position_;
 
   // Count the number of bytes in |data_list_| not read.
-  int available_bytes_;
+  size_t available_bytes_;
 
   // Stores the size of the next payload if known.
-  int next_payload_;
+  size_t next_payload_;
 
   // True if the size of the next payload is known. After one payload is read,
   // this is reset to false.
   bool next_payload_known_;
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_PROTOCOL_DECODER_H_