Make use of new AX name calc in Chromium.

components/test_runner/web_ax_object_proxy.cc

Index: components/test_runner/web_ax_object_proxy.cc
diff --git a/components/test_runner/web_ax_object_proxy.cc b/components/test_runner/web_ax_object_proxy.cc
index 1c3b8d787347fac88729068e0d473f6d50c3e664..a5cb5e40f062f307985338b4350e10a6ab68f159 100644
--- a/components/test_runner/web_ax_object_proxy.cc
+++ b/components/test_runner/web_ax_object_proxy.cc
@@ -315,7 +315,10 @@ blink::WebRect BoundsForCharacter(const blink::WebAXObject& object,
     blink::WebAXObject inline_text_box = object.childAt(i);
     DCHECK_EQ(inline_text_box.role(), blink::WebAXRoleInlineTextBox);
     int start = end;
-    end += inline_text_box.stringValue().length();
+    blink::WebAXNameFrom nameFrom;
+    blink::WebVector<blink::WebAXObject> nameObjects;
+    blink::WebString name = inline_text_box.name(nameFrom, nameObjects);
+    end += name.length();
     if (characterIndex < start || characterIndex >= end)
       continue;
     blink::WebRect inline_text_box_rect = inline_text_box.boundingBoxRect();
@@ -323,7 +326,7 @@ blink::WebRect BoundsForCharacter(const blink::WebAXObject& object,
     blink::WebVector<int> character_offsets;
     inline_text_box.characterOffsets(character_offsets);
     DCHECK(character_offsets.size() > 0 &&
-           character_offsets.size() == inline_text_box.stringValue().length());
+           character_offsets.size() == name.length());
     switch (inline_text_box.textDirection()) {
       case blink::WebAXTextDirectionLR: {
         if (localIndex) {
@@ -393,7 +396,10 @@ void GetBoundariesForOneWord(const blink::WebAXObject& object,
     blink::WebAXObject inline_text_box = object.childAt(i);
     DCHECK_EQ(inline_text_box.role(), blink::WebAXRoleInlineTextBox);
     int start = end;
-    end += inline_text_box.stringValue().length();
+    blink::WebAXNameFrom nameFrom;
+    blink::WebVector<blink::WebAXObject> nameObjects;
+    blink::WebString name = inline_text_box.name(nameFrom, nameObjects);
+    end += name.length();
     if (end <= character_index)
       continue;
     int localIndex = character_index - start;