[webkit-changes] [WebKit/WebKit] 15911b: Fix the internal iOS build after 273506 at main

[Simon Fraser]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 15911ba29d2c2d764c956852a9fccc68e382ccb8
      https://github.com/WebKit/WebKit/commit/15911ba29d2c2d764c956852a9fccc68e382ccb8
  Author: Simon Fraser <simon.fraser at apple.com>
  Date:   2024-01-25 (Thu, 25 Jan 2024)

  Changed paths:
    M Source/WebKit/WebProcess/Plugins/PDF/PDFIncrementalLoader.h
    M Source/WebKit/WebProcess/Plugins/PDF/PDFPluginBase.mm

  Log Message:
  -----------
  Fix the internal iOS build after 273506 at main
https://bugs.webkit.org/show_bug.cgi?id=268103
rdar://121621651

Unreviewed build fix.

Fix some HAVE(INCREMENTAL_PDF_APIS) and forward declare PDFDocument.

* Source/WebKit/WebProcess/Plugins/PDF/PDFIncrementalLoader.h:
* Source/WebKit/WebProcess/Plugins/PDF/PDFPluginBase.mm:
(WebKit::PDFPluginBase::teardown):
(WebKit::PDFPluginBase::streamDidReceiveData):
(WebKit::PDFPluginBase::streamDidFinishLoading):
(WebKit::PDFPluginBase::streamDidFail):

Canonical link: https://commits.webkit.org/273534@main