Cleanup dart to string conversions.

Source/WebCore/bindings/dart/DartApplicationLoader.cpp

Index: Source/WebCore/bindings/dart/DartApplicationLoader.cpp
diff --git a/Source/WebCore/bindings/dart/DartApplicationLoader.cpp b/Source/WebCore/bindings/dart/DartApplicationLoader.cpp
index e16e8027f516ee4de1743d8ec120ac4e34e7a5e0..c41aec444865ff3255057603069959a81d1010e0 100644
--- a/Source/WebCore/bindings/dart/DartApplicationLoader.cpp
+++ b/Source/WebCore/bindings/dart/DartApplicationLoader.cpp
@@ -124,11 +124,11 @@ Dart_Handle DartApplicationLoader::libraryTagHandler(Dart_LibraryTag tag, Dart_H
 {
     ASSERT(Dart_IsLibrary(library));
 
-    String url = DartUtilities::dartStringToString(urlHandle);
+    String url = DartUtilities::toString(urlHandle);
 
     Dart_Handle libraryURLHandle = Dart_LibraryUrl(library);
     ASSERT(!Dart_IsError(libraryURLHandle));
-    const String libraryURL = DartUtilities::dartStringToString(libraryURLHandle);
+    const String libraryURL = DartUtilities::toString(libraryURLHandle);
 
     if (tag == kCanonicalizeUrl) {
         if (url.startsWith("package:") && !url.startsWith("package://")) {