Expose InlineTextBoxes in the accessibility tree.

Source/core/accessibility/AccessibilityNodeObject.cpp

Index: Source/core/accessibility/AccessibilityNodeObject.cpp
diff --git a/Source/core/accessibility/AccessibilityNodeObject.cpp b/Source/core/accessibility/AccessibilityNodeObject.cpp
index 1f2b995ded055c3758f93e432a827dd04a13b583..61e091fec42ed378dfcc560cd2a550111d90f126 100644
--- a/Source/core/accessibility/AccessibilityNodeObject.cpp
+++ b/Source/core/accessibility/AccessibilityNodeObject.cpp
@@ -1381,10 +1381,12 @@ bool AccessibilityNodeObject::canHaveChildren() const
     case RadioButtonRole:
     case TabRole:
     case ToggleButtonRole:
-    case StaticTextRole:
     case ListBoxOptionRole:
     case ScrollBarRole:
         return false;
+    case StaticTextRole:
+        if (!axObjectCache()->inlineTextBoxAccessibility())
+            return false;
     default:
         return true;
     }