Rename childNodeCount() / childNode() methods for clarity

Source/core/html/HTMLTextFormControlElement.cpp

Index: Source/core/html/HTMLTextFormControlElement.cpp
diff --git a/Source/core/html/HTMLTextFormControlElement.cpp b/Source/core/html/HTMLTextFormControlElement.cpp
index a8ef2bf4cea0c99082dcfc1031c2c64647730498..403d2e604294405a78366eb945def52132a1a2e7 100644
--- a/Source/core/html/HTMLTextFormControlElement.cpp
+++ b/Source/core/html/HTMLTextFormControlElement.cpp
@@ -501,7 +501,7 @@ void HTMLTextFormControlElement::setInnerTextValue(const String& value)
         return;
 
     bool textIsChanged = value != innerTextValue();
-    if (textIsChanged || !innerTextElement()->hasChildNodes()) {
+    if (textIsChanged || !innerTextElement()->hasChildren()) {
         if (textIsChanged && renderer()) {
             if (AXObjectCache* cache = document().existingAXObjectCache())
                 cache->postNotification(this, AXObjectCache::AXValueChanged, false);