Added setting up VMLibraryHooks for Dartium to support resolvePageUri

Source/bindings/core/dart/DartNativeUtilities.cpp

Index: Source/bindings/core/dart/DartNativeUtilities.cpp
diff --git a/Source/bindings/core/dart/DartNativeUtilities.cpp b/Source/bindings/core/dart/DartNativeUtilities.cpp
index ca1d153bed8e22458cbb08edd9a8a157f4510bbe..cad165a2e5fbc11b78cc5308a45b6b3baaa18269 100644
--- a/Source/bindings/core/dart/DartNativeUtilities.cpp
+++ b/Source/bindings/core/dart/DartNativeUtilities.cpp
@@ -155,6 +155,40 @@ fail:
     ASSERT_NOT_REACHED();
 }
 
+void resolveUri(Dart_NativeArguments args)
+{
+    Dart_Handle exception = 0;
+    {
+        DartDOMData* domData = static_cast<DartDOMData*>(Dart_GetNativeIsolateData(args));
+        RefPtr<blink::DartApplicationLoader> loader = domData->applicationLoader();
+
+        Dart_Handle uriArg = Dart_GetNativeArgument(args, 0);
+        Dart_Handle uriAsString = Dart_Invoke(uriArg, Dart_NewStringFromCString("toString"), 0, NULL);
+        DartStringAdapter uri = DartUtilities::dartToString(uriAsString, exception);
+        if (exception)
+            goto fail;
+        String uriString = (String)uri;
+
+        String resolvedUrl = DartApplicationLoader::resolveUrl(loader->scriptUrl(), uriString, loader->packageRoot());
+
+        Dart_Handle constructorArg = DartUtilities::stringToDartString(resolvedUrl);
+
+        // Call the Uri.File constructor to create a Uri from the uri string returned from DartApplicationLoader's
+        // resolveUrl.
+        Dart_Handle coreLib = Dart_LookupLibrary(Dart_NewStringFromCString("dart:core"));
+        Dart_Handle uriClass = Dart_GetType(coreLib, Dart_NewStringFromCString("Uri"), 0, 0);
+        Dart_Handle ret = Dart_New(uriClass, Dart_NewStringFromCString("file"), 1, &constructorArg);
+
+        Dart_SetReturnValue(args, ret);
+
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
 class SpawnDomFunctionTask : public ExecutionContextTask {
 public:
     SpawnDomFunctionTask(const char* libraryUrl, const char* functionName, Dart_Port replyTo, DartDOMData* parentDOMData)
@@ -261,6 +295,7 @@ static DartNativeEntry nativeEntries[] = {
     { DartNativeUtilitiesInternal::forwardingPrint, 1, "Utils_forwardingPrint" },
     { DartNativeUtilitiesInternal::getNewIsolateId, 0, "Utils_getNewIsolateId" },
     { DartNativeUtilitiesInternal::spawnDomUri, 1, "Utils_spawnDomUri" },
+    { DartNativeUtilitiesInternal::resolveUri, 1, "Utils_resolvePackageUri" },
     { 0, 0, 0 },
 };