Added setting up VMLibraryHooks for Dartium to support resolvePageUri

Source/bindings/core/dart/DartController.cpp

 // Copyright (c) 2009, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 726 matching lines @@
     init_params.version = DART_INITIALIZE_PARAMS_CURRENT_VERSION;
     init_params.vm_isolate_snapshot = DartUtilities::vmIsolateSnapshot();
     init_params.create =  &createPureIsolateCallback;
     init_params.file_open = openFileCallback;
     init_params.file_read = readFileCallback;
     init_params.file_write = writeFileCallback;
     init_params.file_close = closeFileCallback;
     init_params.entropy_source = generateEntropy;
     init_params.get_service_assets = GetVMServiceAssetsArchiveCallback;
     char* error = Dart_Initialize(&init_params);
-    RELEASE_ASSERT_WITH_MESSAGE(!error, error);
+    RELEASE_ASSERT_WITH_MESSAGE(!error, "Dart_Initialize failed");
 }
 
 static bool checkForExpiration()
 {
     const time_t ExpirationTimeSecsSinceEpoch =
 #include "bindings/dart/ExpirationTimeSecsSinceEpoch.time_t"
     ;
     const char* override = getenv("DARTIUM_EXPIRATION_TIME");
     time_t expiration;
     if (override) {
@@ skipping 252 matching lines @@
     Dart_ExitIsolate();
     loader->processSingleRequest(isolate, url, callback);
 
     // Restore caller isolate.
     Dart_EnterIsolate(caller);
 
     // FIXME: We need some way to return a Dart_Handle to the isolate we just created.
 }
 
 }