Fix build break due to bug 522

tool/sdk_expected_errors.txt

Index: tool/sdk_expected_errors.txt
diff --git a/tool/sdk_expected_errors.txt b/tool/sdk_expected_errors.txt
index d4968faaa9f8a1927b5cb050c360b18bbee24e82..c20d7a9abf1307b36869340790f93598ccddc294 100644
--- a/tool/sdk_expected_errors.txt
+++ b/tool/sdk_expected_errors.txt
@@ -325,12 +325,12 @@
 [warning] The final variable 'href' must be initialized (dart:svg, line 4444, col 3)
 [warning] The final variable 'gradientOffset' must be initialized (dart:svg, line 4506, col 3)
 [warning] The final variable 'sheet' must be initialized (dart:svg, line 4634, col 3)
-[warning] The final variables 'ownerSvgElement' and 'viewportElement' must be initialized (dart:svg, line 5071, col 3)
-[warning] The final variables 'currentTranslate', 'currentView' and '12' more must be initialized (dart:svg, line 5385, col 3)
-[warning] The final variables 'preserveAspectRatio' and 'viewBox' must be initialized (dart:svg, line 5604, col 3)
-[warning] The final variables 'lengthAdjust' and 'textLength' must be initialized (dart:svg, line 5676, col 3)
-[warning] The final variables 'href', 'method' and '2' more must be initialized (dart:svg, line 5774, col 3)
-[warning] The final variables 'dx', 'dy' and '3' more must be initialized (dart:svg, line 5835, col 3)
-[warning] The final variables 'height', 'href' and '3' more must be initialized (dart:svg, line 6125, col 3)
-[warning] The final variables 'preserveAspectRatio', 'viewBox' and '1' more must be initialized (dart:svg, line 6170, col 3)
-[warning] The final variables 'gradientTransform', 'gradientUnits' and '2' more must be initialized (dart:svg, line 6324, col 3)
+[warning] The final variables 'ownerSvgElement' and 'viewportElement' must be initialized (dart:svg, line 5074, col 3)
+[warning] The final variables 'currentTranslate', 'currentView' and '12' more must be initialized (dart:svg, line 5388, col 3)
+[warning] The final variables 'preserveAspectRatio' and 'viewBox' must be initialized (dart:svg, line 5607, col 3)
+[warning] The final variables 'lengthAdjust' and 'textLength' must be initialized (dart:svg, line 5679, col 3)
+[warning] The final variables 'href', 'method' and '2' more must be initialized (dart:svg, line 5777, col 3)
+[warning] The final variables 'dx', 'dy' and '3' more must be initialized (dart:svg, line 5838, col 3)
+[warning] The final variables 'height', 'href' and '3' more must be initialized (dart:svg, line 6128, col 3)
+[warning] The final variables 'preserveAspectRatio', 'viewBox' and '1' more must be initialized (dart:svg, line 6173, col 3)
+[warning] The final variables 'gradientTransform', 'gradientUnits' and '2' more must be initialized (dart:svg, line 6327, col 3)