Cleanup method signatures that were incorrect due to a lack of understanding about how Dart generic…

tools/dom/src/shared_html.dart

Index: tools/dom/src/shared_html.dart
diff --git a/tools/dom/src/shared_html.dart b/tools/dom/src/shared_html.dart
index dd67c48a87d1918ffc71277f06ea8c80d7717135..b6c9c62c9b616ff98025d39ab43c2be08f0bc4e2 100644
--- a/tools/dom/src/shared_html.dart
+++ b/tools/dom/src/shared_html.dart
@@ -30,7 +30,7 @@ Element query(String relativeSelectors) => document.query(relativeSelectors);
  */
 @deprecated
 @Experimental()
-ElementList queryAll(String relativeSelectors) => document.queryAll(relativeSelectors);
+ElementList<Element> queryAll(String relativeSelectors) => document.queryAll(relativeSelectors);
 
 /**
  * Finds the first descendant element of this document that matches the
@@ -67,7 +67,7 @@ Element querySelector(String selectors) => document.querySelector(selectors);
  * For details about CSS selector syntax, see the
  * [CSS selector specification](http://www.w3.org/TR/css3-selectors/).
  */
-ElementList querySelectorAll(String selectors) => document.querySelectorAll(selectors);
+ElementList<Element> querySelectorAll(String selectors) => document.querySelectorAll(selectors);
 
 /// A utility for changing the Dart wrapper type for elements.
 abstract class ElementUpgrader {