Forward BrowserAccessibility::accHitTest to AXPlatformNode.

content/browser/accessibility/browser_accessibility.cc

Index: content/browser/accessibility/browser_accessibility.cc
diff --git a/content/browser/accessibility/browser_accessibility.cc b/content/browser/accessibility/browser_accessibility.cc
index a90d107f32d0658e18bcae416008ec3b43ecbd8b..7cad16dd6e5dbd0f5092ebf88c32e29ecfa7377d 100644
--- a/content/browser/accessibility/browser_accessibility.cc
+++ b/content/browser/accessibility/browser_accessibility.cc
@@ -1130,8 +1130,11 @@ gfx::Rect BrowserAccessibility::GetScreenBoundsRect() const {
 }
 
 gfx::NativeViewAccessible BrowserAccessibility::HitTestSync(int x, int y) {
-  NOTREACHED();
-  return nullptr;
+  auto* accessible = ApproximateHitTest(gfx::Point(x, y));

[dmazzoni, 2017/06/23 18:51:12]

This patch would replace CachingAsyncHitTest (which is pretty
accurate) with ApproximateHitTest, which is not. I think you
should just call CachingAsyncHitTest here.

[dougt, 2017/06/25 21:16:31]

Done.

+  if (!accessible)
+    return nullptr;
+
+  return accessible->GetNativeViewAccessible();
 }
 
 gfx::NativeViewAccessible BrowserAccessibility::GetFocus() {