AtomicString usage improvements in v8 interceptors.

third_party/WebKit/WebCore/bindings/v8/custom/V8HTMLDocumentCustom.cpp

Index: third_party/WebKit/WebCore/bindings/v8/custom/V8HTMLDocumentCustom.cpp
===================================================================
--- third_party/WebKit/WebCore/bindings/v8/custom/V8HTMLDocumentCustom.cpp	(revision 13552)
+++ third_party/WebKit/WebCore/bindings/v8/custom/V8HTMLDocumentCustom.cpp	(working copy)
@@ -48,8 +48,9 @@
     // Only handle document.all.  Insert the marker object into the
     // shadow internal field to signal that document.all is no longer
     // shadowed.
-    String key = toWebCoreString(name);
-    if (key != "all")
+    AtomicString key = v8StringToAtomicWebCoreString(name);
+    static const AtomicString all("all");
+    if (key != all)
         return deletionNotHandledByInterceptor();
 
     ASSERT(info.Holder()->InternalFieldCount() == kHTMLDocumentInternalFieldCount);
@@ -61,12 +62,13 @@
 NAMED_PROPERTY_GETTER(HTMLDocument)
 {
     INC_STATS("DOM.HTMLDocument.NamedPropertyGetter");
-    AtomicString key = toWebCoreString(name);
+    AtomicString key = v8StringToAtomicWebCoreString(name);
 
     // Special case for document.all.  If the value in the shadow
     // internal field is not the marker object, then document.all has
     // been temporarily shadowed and we return the value.
-    if (key == "all") {
+    static const AtomicString all("all");
+    if (key == all) {
         ASSERT(info.Holder()->InternalFieldCount() == kHTMLDocumentInternalFieldCount);
         v8::Local<v8::Value> marker = info.Holder()->GetInternalField(kHTMLDocumentMarkerIndex);
         v8::Local<v8::Value> value = info.Holder()->GetInternalField(kHTMLDocumentShadowIndex);