git: openjdk/jfx17u: master: 8275138: WebView: UserAgent string is empty for first request

[Kevin Rushforth]

Changeset: 75a2f444
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2021-11-04 11:17:16 +0000
URL:       https://git.openjdk.java.net/jfx17u/commit/75a2f4443e0c6fe44c583d72bac8f1fd51c347b5

8275138: WebView: UserAgent string is empty for first request

Backport-of: d6f78e27a698925f029126b8d62a3e88d4d6f868

! modules/javafx.web/src/main/native/Source/WebKitLegacy/java/WebCoreSupport/FrameLoaderClientJava.cpp
! modules/javafx.web/src/main/native/Source/WebKitLegacy/java/WebCoreSupport/FrameLoaderClientJava.h
! modules/javafx.web/src/main/native/Source/WebKitLegacy/java/WebCoreSupport/WebPage.cpp
! modules/javafx.web/src/test/java/test/javafx/scene/web/MiscellaneousTest.java