zlib decompression for chromoting

remoting/base/compressor.h

Index: remoting/base/compressor.h
diff --git a/remoting/base/compressor.h b/remoting/base/compressor.h
index 4c242bdf5cf59184ad4e98a3d154b56269a0a04d..fd4c4122d892f1e5018f2152395bced605be086e 100644
--- a/remoting/base/compressor.h
+++ b/remoting/base/compressor.h
@@ -21,27 +21,20 @@ class Compressor {
   // Compress |input_data| with |input_size| bytes.
   //
   // |output_data| is provided by the caller and |output_size| is the
-  // size of |output_data|.
+  // size of |output_data|. |output_size| must be greater than 0.
+  //
+  // |input_size| is set to 0 to indicate the end of input stream.
   //
   // Compressed data is written to |output_data|. |consumed| will
   // contain the number of bytes consumed from the input. |written|
   // contains the number of bytes written to output.
-  virtual void Write(const uint8* input_data, int input_size,
-                     uint8* output_data, int output_size,
-                     int* consumed, int* written) = 0;
-
-  // Flush all the remaining data in the compressor.
-  //
-  // |output_data| is provided by the caller and |output_size| is called
-  // with the size of |output_data|.
-  //
-  // Output data is written to |output_data| and |written| contains the
-  // number of bytes written.
   //
-  // Returns true if |output_data| is not large enough to carry all
-  // compressed data and caller needs to call Flush() again.
-  virtual bool Flush(uint8* output_data, int output_size,
-                     int* written) = 0;
+  // Returns true if this method needs to be called again because
+  // there is more data to be written out. This is particularly
+  // useful for end of the compression stream.
+  virtual bool Process(const uint8* input_data, int input_size,
+                       uint8* output_data, int output_size,
+                       int* consumed, int* written) = 0;
 };
 
 }  // namespace remoting