[webkit-changes] [WebKit/WebKit] 3e01a6: AX: Remove AXObjectCache::usedOnAXThread().

[AndresGonzalezApple]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 3e01a642c916220aad6f2ab0e58ba0e01ee47b3b
      https://github.com/WebKit/WebKit/commit/3e01a642c916220aad6f2ab0e58ba0e01ee47b3b
  Author: Andres Gonzalez <andresg_22 at apple.com>
  Date:   2023-08-07 (Mon, 07 Aug 2023)

  Changed paths:
    M Source/WebCore/accessibility/AXObjectCache.h
    M Source/WebCore/accessibility/isolatedtree/AXIsolatedTree.cpp
    M Source/WebCore/accessibility/isolatedtree/AXIsolatedTree.h
    M Source/WebCore/accessibility/mac/AXObjectCacheMac.mm
    M Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp
    M Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h
    M Tools/WebKitTestRunner/InjectedBundle/AccessibilityController.cpp
    M Tools/WebKitTestRunner/InjectedBundle/AccessibilityController.h
    M Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityControllerMac.mm

  Log Message:
  -----------
  AX: Remove AXObjectCache::usedOnAXThread().
https://bugs.webkit.org/show_bug.cgi?id=256552
<rdar://problem/109118496>

Reviewed by Darin Adler.

This was used to run ITM as a cache on the main thread as opposed to on the AX thread. It was useful in the early stage of the ITM project, but no longer used. Now if ITM is on, it will use the secondary AX thread. So this patch removes this unused code path and simplifies the code.

* Source/WebCore/accessibility/AXObjectCache.h:
* Source/WebCore/accessibility/isolatedtree/AXIsolatedTree.cpp:
(WebCore::AXIsolatedTree::AXIsolatedTree):
(WebCore::AXIsolatedTree::objectForID const):
(WebCore::AXIsolatedTree::applyPendingChanges):
* Source/WebCore/accessibility/isolatedtree/AXIsolatedTree.h:
* Source/WebCore/accessibility/mac/AXObjectCacheMac.mm:
(WebCore::AXObjectCache::initializeSecondaryAXThread):
(WebCore::AXObjectCache::usedOnAXThread): Deleted.
* Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp:
(WKAccessibilityCanUseSecondaryAXThread): Deleted.
* Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePagePrivate.h:
* Tools/WebKitTestRunner/InjectedBundle/AccessibilityController.cpp:
(WTR::AccessibilityController::executeOnAXThreadAndWait):
(WTR::AccessibilityController::executeOnAXThread):
* Tools/WebKitTestRunner/InjectedBundle/AccessibilityController.h:
* Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityControllerMac.mm:
(WTR::AccessibilityController::updateIsolatedTreeMode):

Canonical link: https://commits.webkit.org/266660@main