net: FileStream::Read/Write() to take IOBuffer* instead of char*

net/base/mock_file_stream.h

 // Copyright (c) 2012 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.
 
 // This file defines MockFileStream, a test class for FileStream.
 
 #ifndef NET_BASE_MOCK_FILE_STREAM_H_
 #define NET_BASE_MOCK_FILE_STREAM_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "net/base/file_stream.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
+class IOBuffer;
+
 namespace testing {
 
 class MockFileStream : public net::FileStream {
  public:
   MockFileStream(net::NetLog* net_log)
       : net::FileStream(net_log), forced_error_(net::OK) {}
 
   MockFileStream(base::PlatformFile file, int flags, net::NetLog* net_log)
       : net::FileStream(file, flags, net_log), forced_error_(net::OK) {}
 
   // FileStream methods.
   virtual int OpenSync(const FilePath& path, int open_flags) OVERRIDE;
   virtual int64 Seek(net::Whence whence, int64 offset) OVERRIDE;
   virtual int64 Available() OVERRIDE;
-  virtual int Read(char* buf,
+  virtual int Read(IOBuffer* buf,
                    int buf_len,
                    const CompletionCallback& callback) OVERRIDE;
   virtual int ReadSync(char* buf, int buf_len) OVERRIDE;
   virtual int ReadUntilComplete(char *buf, int buf_len) OVERRIDE;
-  virtual int Write(const char* buf,
+  virtual int Write(IOBuffer* buf,
                     int buf_len,
                     const CompletionCallback& callback) OVERRIDE;
   virtual int WriteSync(const char* buf, int buf_len) OVERRIDE;
   virtual int64 Truncate(int64 bytes) OVERRIDE;
   virtual int Flush() OVERRIDE;
 
   void set_forced_error(int error) { forced_error_ = error; }
   void clear_forced_error() { forced_error_ = net::OK; }
   int forced_error() const { return forced_error_; }
   const FilePath& get_path() const { return path_; }
@@ skipping 21 matching lines @@
 
   int forced_error_;
   FilePath path_;
 };
 
 }  // namespace testing
 
 }  // namespace net
 
 #endif  // NET_BASE_MOCK_FILE_STREAM_H_