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

net/socket/socket_test_util.cc

Index: net/socket/socket_test_util.cc
diff --git a/net/socket/socket_test_util.cc b/net/socket/socket_test_util.cc
index f1456f8c78c1e6c4845b54235f9e8f8b55a82c89..3e7554edb5fef898cffa414527c5cce5f8163675 100644
--- a/net/socket/socket_test_util.cc
+++ b/net/socket/socket_test_util.cc
@@ -713,12 +713,12 @@ MockClientSocket::MockClientSocket(const BoundNetLog& net_log)
   peer_addr_ = IPEndPoint(ip, 0);
 }
 
-bool MockClientSocket::SetReceiveBufferSize(int32 size) {
-  return true;
+int MockClientSocket::SetReceiveBufferSize(int32 size) {
+  return OK;
 }
 
-bool MockClientSocket::SetSendBufferSize(int32 size) {
-  return true;
+int MockClientSocket::SetSendBufferSize(int32 size) {
+  return OK;
 }
 
 void MockClientSocket::Disconnect() {
@@ -1162,12 +1162,12 @@ int DeterministicMockUDPClientSocket::Read(
   return helper_.Read(buf, buf_len, callback);
 }
 
-bool DeterministicMockUDPClientSocket::SetReceiveBufferSize(int32 size) {
-  return true;
+int DeterministicMockUDPClientSocket::SetReceiveBufferSize(int32 size) {
+  return OK;
 }
 
-bool DeterministicMockUDPClientSocket::SetSendBufferSize(int32 size) {
-  return true;
+int DeterministicMockUDPClientSocket::SetSendBufferSize(int32 size) {
+  return OK;
 }
 
 void DeterministicMockUDPClientSocket::Close() {
@@ -1508,12 +1508,12 @@ int MockUDPClientSocket::Write(IOBuffer* buf, int buf_len,
   return write_result.result;
 }
 
-bool MockUDPClientSocket::SetReceiveBufferSize(int32 size) {
-  return true;
+int MockUDPClientSocket::SetReceiveBufferSize(int32 size) {
+  return OK;
 }
 
-bool MockUDPClientSocket::SetSendBufferSize(int32 size) {
-  return true;
+int MockUDPClientSocket::SetSendBufferSize(int32 size) {
+  return OK;
 }
 
 void MockUDPClientSocket::Close() {