RFR: 8259635: Update to 610.2 version of WebKit

Thu Jan 21 13:28:50 UTC 2021

On Thu, 21 Jan 2021 04:14:28 GMT, Arun Joseph <ajoseph at openjdk.org> wrote:

> Update JavaFX WebKit to GTK WebKit 2.30 (610.2)

I reviewed all of the changes outside `modules/javafx.web/src/main/native/`. Most look related to the change to use the Prism Color object instead of an int. I did have a question about one of those changes:

modules/javafx.web/src/main/java/com/sun/webkit/plugin/DefaultPlugin.java
-        g.fillRect(x, y, w, h, 0x11aaffff);
+        g.fillRect(x, y, w, h, new Color(0.33f, 1.0f, 1.0f, 0.1f));

These are not equivalent colors. Is this intentional?

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PR: https://git.openjdk.java.net/jfx/pull/382