Add functions searching a word boundary without VisualPosition to HTMLTextFormControlElement.

Source/core/rendering/RenderTreeAsText.cpp

Index: Source/core/rendering/RenderTreeAsText.cpp
diff --git a/Source/core/rendering/RenderTreeAsText.cpp b/Source/core/rendering/RenderTreeAsText.cpp
index e0492ba0c3461179e29f89079f46923c74cfde1e..16f403df3d0f0312c10fd2c9761c6cf36965ab11 100644
--- a/Source/core/rendering/RenderTreeAsText.cpp
+++ b/Source/core/rendering/RenderTreeAsText.cpp
@@ -636,7 +636,7 @@ void RenderTreeAsText::writeLayers(TextStream& ts, const RenderLayer* rootLayer,
     }
 }
 
-static String nodePosition(Node* node)
+String nodePosition(Node* node)
 {
     StringBuilder result;