Send API error response when chrome.socket.* API receives an invalid port number.

chrome/browser/extensions/api/socket/socket_api_unittest.cc

Index: chrome/browser/extensions/api/socket/socket_api_unittest.cc
diff --git a/chrome/browser/extensions/api/socket/socket_api_unittest.cc b/chrome/browser/extensions/api/socket/socket_api_unittest.cc
index 1fd256ebeaef751de315a50f7c51dc506a28fce2..5157fd1fa25c011e5b57d85c2151e5b3b0836e70 100644
--- a/chrome/browser/extensions/api/socket/socket_api_unittest.cc
+++ b/chrome/browser/extensions/api/socket/socket_api_unittest.cc
@@ -49,4 +49,15 @@ TEST_F(SocketUnitTest, Create) {
   ASSERT_TRUE(result.get());
 }
 
+TEST_F(SocketUnitTest, InvalidPort) {
+  const std::string kError = "Port must be a value between 0 and 65535.";
+
+  SocketConnectFunction* connect_function = new SocketConnectFunction();
+  EXPECT_EQ(kError,
+            RunFunctionAndReturnError(connect_function, "[1, \"foo\", -1]"));
+  SocketBindFunction* bind_function = new SocketBindFunction();
+  EXPECT_EQ(kError,
+            RunFunctionAndReturnError(bind_function, "[1, \"foo\", -1]"));
+}
+
 }  // namespace extensions