make SetReceiveBufferSize and SetSendBufferSize return net error codes (instead of bools)

net/socket/ssl_server_socket_unittest.cc

 // 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 test suite uses SSLClientSocket to test the implementation of
 // SSLServerSocket. In order to establish connections between the sockets
 // we need two additional classes:
 // 1. FakeSocket
 //    Connects SSL socket to FakeDataChannel. This class is just a stub.
 //
@@ skipping 160 matching lines @@
     return incoming_->Read(buf, buf_len, callback);
   }
 
   virtual int Write(IOBuffer* buf, int buf_len,
                     const CompletionCallback& callback) OVERRIDE {
     // Write random number of bytes.
     buf_len = rand() % buf_len + 1;
     return outgoing_->Write(buf, buf_len, callback);
   }
 
-  virtual bool SetReceiveBufferSize(int32 size) OVERRIDE {
-    return true;
+  virtual int SetReceiveBufferSize(int32 size) OVERRIDE {
+    return net::OK;
   }
 
-  virtual bool SetSendBufferSize(int32 size) OVERRIDE {
-    return true;
+  virtual int SetSendBufferSize(int32 size) OVERRIDE {
+    return net::OK;
   }
 
   virtual int Connect(const CompletionCallback& callback) OVERRIDE {
     return net::OK;
   }
 
   virtual void Disconnect() OVERRIDE {
     incoming_->Close();
     outgoing_->Close();
   }
@@ skipping 379 matching lines @@
   unsigned char client_bad[kKeyingMaterialSize];
   rv = client_socket_->ExportKeyingMaterial(kKeyingLabelBad,
                                             false, kKeyingContext,
                                             client_bad, sizeof(client_bad));
   ASSERT_EQ(rv, net::OK);
   EXPECT_NE(0, memcmp(server_out, client_bad, sizeof(server_out)));
 }
 #endif
 
 }  // namespace net