Backed out changeset 492778e5c97b (bug 1832686) for causing browser-a11y failures on browser_test_general.js. CLOSED TREE

accessible/ipc/RemoteAccessibleBase.cpp

@@ -499,22 +499,6 @@ Accessible* RemoteAccessibleBase<Derived>::ChildAtPoint(
           // first match we encounter is guaranteed to be the
           // deepest match.
           lastMatch = acc;
-          if (lastMatch->Role() == roles::TEXT_CONTAINER) {
-            // We've matched on a generic, we probably want its
-            // inner text leaf (if one exists). Drill down through
-            // subsequent generics, regardless of whether the point
-            // we want is actually contained therein."
-            while (lastMatch->ChildCount() == 1) {
-              if (lastMatch->Role() == roles::TEXT_CONTAINER) {
-                lastMatch = lastMatch->RemoteChildAt(0);
-              } else {
-                break;
-              }
-            }
-            // If we failed to find a text leaf, fall back to the
-            // original generic match.
-            lastMatch = lastMatch->IsTextLeaf() ? lastMatch : acc;
-          }
           break;
         }
       }

accessible/tests/browser/hittest/browser_test_general.js

@@ -276,34 +276,3 @@ addAccessibleTask(
   },
   { chrome: true, iframe: true, remoteIframe: true }
 );
-
-/**
- * Verify that hit testing is appropriately fuzzy when working with generics.
- * If we match on a generic which contains additional generics and a single text
- * leaf, we should return the text leaf as the deepest match instead of the
- * generic itself.
- */
-addAccessibleTask(
-  `
-  <a href="example.com" id="link">
-    <span style="overflow:hidden;" id="generic">
-      <span aria-hidden="true" id="visible">I am some visible text</span><span id="invisible" style="overflow:hidden; height: 1px; width: 1px; position:absolute; clip: rect(0 0 0 0); display:block;">I am some invisible text</span>
-    </span>
-  </a>`,
-  async function (browser, docAcc) {
-    const link = findAccessibleChildByID(docAcc, "link");
-    const generic = findAccessibleChildByID(docAcc, "generic");
-    const invisible = findAccessibleChildByID(docAcc, "invisible");
-    const dpr = await getContentDPR(browser);
-
-    await testChildAtPoint(
-      dpr,
-      1,
-      1,
-      link,
-      generic, // Direct Child
-      invisible.firstChild // Deepest Child
-    );
-  },
-  { chrome: true, iframe: true, remoteIframe: true }
-);