Support output for Chrome's native find in ChromeVox.

third_party/WebKit/Source/web/TextFinder.cpp

Index: third_party/WebKit/Source/web/TextFinder.cpp
diff --git a/third_party/WebKit/Source/web/TextFinder.cpp b/third_party/WebKit/Source/web/TextFinder.cpp
index b136ba9bd42aacbdd400e9c2e4c2982b11d4adc1..bd929e8eb8054aa84df31d390fe1f2ea77b4c60b 100644
--- a/third_party/WebKit/Source/web/TextFinder.cpp
+++ b/third_party/WebKit/Source/web/TextFinder.cpp
@@ -237,6 +237,11 @@ void TextFinder::reportFindInPageResultToAccessibility(int identifier)
     if (!startObject || !endObject)
         return;
 
+    // Notify the client of new text marker data.
+    axObjectCache->postNotification(startObject, AXObjectCache::AXNotification::AXChildrenChanged);
+    if (startObject != endObject)
+        axObjectCache->postNotification(endObject, AXObjectCache::AXNotification::AXChildrenChanged);
+
     if (ownerFrame().client()) {
         ownerFrame().client()->handleAccessibilityFindInPageResult(
             identifier, m_activeMatchIndex + 1,