Changed several references from "char" to "uint8" which is the appropriate de...

media/base/filters.h

 // Copyright (c) 2006-2009 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.
 
 // Filters are connected in a strongly typed manner, with downstream filters
 // always reading data from upstream filters.  Upstream filters have no clue
 // who is actually reading from them, and return the results via OnAssignment
 // using the AssignableInterface<SomeBufferType> interface:
 //
 //                         DemuxerStream(Video) <- VideoDecoder <- VideoRenderer
@@ skipping 95 matching lines @@
   static const size_t kReadError = static_cast<size_t>(-1);
 
   // Initializes this filter, returns true if successful, false otherwise.
   virtual bool Initialize(const std::string& url) = 0;
 
   // Returns the MediaFormat for this filter.
   virtual const MediaFormat* GetMediaFormat() = 0;
 
   // Read the given amount of bytes into data, returns the number of bytes read
   // if successful, kReadError otherwise.
-  virtual size_t Read(char* data, size_t size) = 0;
+  virtual size_t Read(uint8* data, size_t size) = 0;
 
   // Returns true and the current file position for this file, false if the
   // file position could not be retrieved.
   virtual bool GetPosition(int64* position_out) = 0;
 
   // Returns true if the file position could be set, false otherwise.
   virtual bool SetPosition(int64 position) = 0;
 
   // Returns true and the file size, false if the file size could not be
   // retrieved.
@@ skipping 107 matching lines @@
   // Initializes this filter, returns true if successful, false otherwise.
   virtual bool Initialize(AudioDecoder* decoder) = 0;
 
   // Sets the output volume.
   virtual void SetVolume(float volume) = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_FILTERS_H_