Reland of Accessibility: Ignore all anonymous blocks

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
index b16cd1d4ea9660f9d12fc6eee4155edd7b6e5677..2cccbc35bf9f0e8bf1c4a3d7fa8f155c876f9869 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
@@ -500,6 +500,9 @@ bool AXLayoutObject::computeAccessibilityIsIgnored(
   if (decision == IgnoreObject)
     return true;
 
+  if (m_layoutObject->isAnonymousBlock())
+    return true;
+
   // If this element is within a parent that cannot have children, it should not
   // be exposed.
   if (isDescendantOfLeafNode()) {