WebSocket Pepper API: Remove binary type handling interfaces

ppapi/cpp/dev/websocket_dev.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 PPAPI_CPP_DEV_WEBSOCKET_DEV_H_
 #define PPAPI_CPP_DEV_WEBSOCKET_DEV_H_
 
 #include "ppapi/c/dev/ppb_websocket_dev.h"
 #include "ppapi/cpp/resource.h"
 
@@ skipping 69 matching lines @@
   int32_t Close(uint16_t code, const Var& reason,
                 const CompletionCallback& callback);
 
   /// ReceiveMessage() receives a message from the WebSocket server.
   /// This interface only returns a single message. That is, this interface
   /// must be called at least N times to receive N messages, no matter how
   /// small each message is.
   ///
   /// @param[out] message The received message is copied to provided
   /// <code>message</code>. The <code>message</code> must remain valid until
-  /// the ReceiveMessage operation completes.
+  /// the ReceiveMessage operation completes. It will be a <code>Var</code> of
+  /// string or ArrayBuffer types on receiving.
   /// @param[in] callback A <code>CompletionCallback</code> which is called
   /// when the receiving message is completed. It is ignored if ReceiveMessage
   /// completes synchronously and returns <code>PP_OK</code>.
   ///
   /// @return An int32_t containing an error code from
   /// <code>pp_errors.h</code>.
   /// If an error is detected or connection is closed, returns
   /// <code>PP_ERROR_FAILED</code> after all buffered messages are received.
   /// Until buffered message become empty, continues to returns
   /// <code>PP_OK</code> as if connection is still established without errors.
   int32_t ReceiveMessage(Var* message,
                          const CompletionCallback& callback);
 
   /// Send() sends a message to the WebSocket server.
   ///
   /// @param[in] data A message to send. The message is copied to internal
   /// buffer. So caller can free <code>data</code> safely after returning
-  /// from the function.
+  /// from the function. It must be a <code>Var</code> of string or ArrayBuffer
+  /// types.
   ///
   /// @return An int32_t containing an error code from
   /// <code>pp_errors.h</code>.
   /// Returns <code>PP_ERROR_FAILED</code> if the ReadyState is
   /// <code>PP_WEBSOCKETREADYSTATE_CONNECTING_DEV</code>. It corresponds
   /// JavaScript InvalidStateError of the specification.
   /// Returns <code>PP_ERROR_BADARGUMENT</code> if provided
   /// <code>message</code> of string type contains an invalid character as a
   /// UTF-8 string. It corresponds to JavaScript SyntaxError of the
   /// specification.
@@ skipping 50 matching lines @@
   ///
   /// @return Returns <code>PP_WEBSOCKETREADYSTATE_INVALID_DEV</code> if called
   /// before connect() is called.
   PP_WebSocketReadyState_Dev GetReadyState();
 
   /// GetURL() returns the URL associated with specified WebSocket connection.
   ///
   /// @return Returns a <code>Var</code> of string type. If called before the
   /// connection is established, it contains the empty string.
   Var GetURL();
-
-  /// SetBinaryType() specifies the binary object type for receiving binary
-  /// frames representation. Receiving text frames are always mapped to
-  /// <PP_VARTYPE_STRING</code> var regardless of this attribute.
-  /// This function should be called before Connect() to ensure receiving all
-  /// incoming binary frames as the specified binary object type.
-  /// Default type is <code>PP_WEBSOCKETBINARYTYPE_BLOB_DEV</code>.
-  ///
-  /// Currently, Blob bindings is not supported in Pepper, so receiving binary
-  /// type is always ArrayBuffer. To ensure backward compatibility, you must
-  /// call this function with
-  /// <code>PP_WEBSOCKETBINARYTYPE_ARRAYBUFFER_DEV</code> to use binary frames.
-  ///
-  /// @param[in] binary_type Binary object type for receiving binary frames
-  /// representation.
-  ///
-  /// @return Returns <code>false</code> if the specified type is not
-  /// supported. Otherwise, returns <code>true</code>.
-  ///
-  bool SetBinaryType(PP_WebSocketBinaryType_Dev binary_type);
-
-  /// GetBinaryType() returns the currently specified binary object type for
-  /// receiving binary frames.
-  ///
-  /// @return Returns <code>PP_WebSocketBinaryType_Dev</code> represents the
-  /// current binary object type.
-  PP_WebSocketBinaryType_Dev GetBinaryType();
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_DEV_WEBSOCKET_DEV_H_