Switch to equalIgnoringASCIICase throughout modules/accessibility

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

Index: third_party/WebKit/Source/modules/accessibility/AXARIAGridCell.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXARIAGridCell.cpp b/third_party/WebKit/Source/modules/accessibility/AXARIAGridCell.cpp
index c94c871eecb693934f3e4477a279fcb9e95920b1..b7b9d3ad4a5cdff0f72bf31370c16bddf7da6615 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXARIAGridCell.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXARIAGridCell.cpp
@@ -47,12 +47,12 @@ AXARIAGridCell* AXARIAGridCell::create(LayoutObject* layoutObject,
 
 bool AXARIAGridCell::isAriaColumnHeader() const {
   const AtomicString& role = getAttribute(HTMLNames::roleAttr);
-  return equalIgnoringCase(role, "columnheader");
+  return equalIgnoringASCIICase(role, "columnheader");
 }
 
 bool AXARIAGridCell::isAriaRowHeader() const {
   const AtomicString& role = getAttribute(HTMLNames::roleAttr);
-  return equalIgnoringCase(role, "rowheader");
+  return equalIgnoringASCIICase(role, "rowheader");
 }
 
 AXObject* AXARIAGridCell::parentTable() const {