Replace size_t with int in a few media classes.

webkit/media/buffered_data_source.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.
 
 #ifndef WEBKIT_MEDIA_BUFFERED_DATA_SOURCE_H_
 #define WEBKIT_MEDIA_BUFFERED_DATA_SOURCE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 18 matching lines @@
                      media::MediaLog* media_log);
 
   virtual ~BufferedDataSource();
 
   // media::DataSource implementation.
   // Called from demuxer thread.
   virtual void set_host(media::DataSourceHost* host) OVERRIDE;
   virtual void Stop(const base::Closure& closure) OVERRIDE;
   virtual void SetPlaybackRate(float playback_rate) OVERRIDE;
 
-  virtual void Read(
-      int64 position,
-      size_t size,
-      uint8* data,
-      const media::DataSource::ReadCB& read_cb) OVERRIDE;
+  virtual void Read(int64 position, int size, uint8* data,
+                    const media::DataSource::ReadCB& read_cb) OVERRIDE;
   virtual bool GetSize(int64* size_out) OVERRIDE;
   virtual bool IsStreaming() OVERRIDE;
   virtual void SetPreload(media::Preload preload) OVERRIDE;
   virtual void SetBitrate(int bitrate) OVERRIDE;
 
   // webkit_glue::WebDataSource implementation.
   virtual void Initialize(
       const GURL& url, const media::PipelineStatusCB& initialize_cb) OVERRIDE;
   virtual bool HasSingleOrigin() OVERRIDE;
   virtual void Abort() OVERRIDE;
@@ skipping 152 matching lines @@
   float playback_rate_;
 
   scoped_refptr<media::MediaLog> media_log_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedDataSource);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_BUFFERED_DATA_SOURCE_H_