JDK-8299977 : Update WebKit to 615.1

[HimaBinduMeda]

Update JavaFX WebKit to GTK WebKit 2.38 (615.1).

Verified the updated version build, sanity tests and stability.
This does not cause any issues except one unit test failure.
Also, there are some artifacts observed while playing youtube

The above issues are recorded and ignored using below bugs:
JDK-8300954
JDK-8301022

/contributor add jbhaskar

Note to reviewers:
The comment in ImageBufferBackend.h is not removed intentionally. This log should not be seen during the testing.Will remove this log before integration.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed (2 reviews required, with at least 1 Reviewer, 1 Author)

Issue

• JDK-8299977: Update WebKit to 615.1

Reviewers

• Kevin Rushforth (@kevinrushforth - Reviewer)
• Joeri Sykora (@tiainen - Author)

Contributors

• Jay Bhaskar <jbhaskar@openjdk.org>

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jfx pull/1011/head:pull/1011
$ git checkout pull/1011

Update a local copy of the PR:
$ git checkout pull/1011
$ git pull https://git.openjdk.org/jfx pull/1011/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1011

View PR using the GUI difftool:
$ git pr show -t 1011

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jfx/pull/1011.diff

[bridgekeeper]

👋 Welcome back hmeda! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@HimaBinduMeda
Contributor Jay Bhaskar <jbhaskar@openjdk.org> successfully added.

[mlbridge]

Webrevs

• 02: Full - Incremental (a804a6ed)
• 01: Full - Incremental (66237d46)
• 00: Full (3247ba09)

[kevinrushforth]

/reviewers 2

[openjdk]

@kevinrushforth
The total number of required reviews for this PR (including the jcheck configuration and the last /reviewers command) is now set to 2 (with at least 1 Reviewer, 1 Author).

[kevinrushforth]

Looks good. I'll re-approve once you remove the comment and print statement from ImageBufferBackend.h that you mentioned in the description.

[tiainen]

Building and testing succeeded on linux, mac and windows x86_64.

[kevinrushforth]

@tiainen Can you re-review following Hima's removal of the print statement?

[openjdk]

@HimaBinduMeda This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8299977: Update WebKit to 615.1

Co-authored-by: Jay Bhaskar <jbhaskar@openjdk.org>
Reviewed-by: kcr, sykora

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change. Possible candidates are the reviewers of this PR (@kevinrushforth) but any other Committer may sponsor as well.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[HimaBinduMeda]

/integrate

[openjdk]

@HimaBinduMeda
Your change (at version a804a6e) is now ready to be sponsored by a Committer.

[kevinrushforth]

/sponsor

[openjdk]

Going to push as commit 301bbd6.

[openjdk]

@kevinrushforth @HimaBinduMeda Pushed as commit 301bbd6.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.