Proper support for IDL arrays in generators.

lib/dom/dom.dart

Index: lib/dom/dom.dart
diff --git a/lib/dom/dom.dart b/lib/dom/dom.dart
index 4458367c8c86422b4231a3c0529320470093ebde..6b7c9214cefb7cc3d2ed39e7834355840f4d107f 100644
--- a/lib/dom/dom.dart
+++ b/lib/dom/dom.dart
@@ -5289,7 +5289,7 @@ interface IDBObjectStore {
 
   IDBRequest count([key_OR_range]);
 
-  IDBIndex createIndex(String name, String keyPath, [Map options]);
+  IDBIndex createIndex(String name, keyPath, [Map options]);
 
   IDBRequest delete(key_OR_keyRange);
 
@@ -11333,7 +11333,7 @@ interface WebGLRenderingContext extends CanvasRenderingContext {
 
   WebGLActiveInfo getActiveUniform(WebGLProgram program, int index);
 
-  List getAttachedShaders(WebGLProgram program);
+  List<Object> getAttachedShaders(WebGLProgram program);
 
   int getAttribLocation(WebGLProgram program, String name);
 
@@ -11363,6 +11363,8 @@ interface WebGLRenderingContext extends CanvasRenderingContext {
 
   String getShaderSource(WebGLShader shader);
 
+  List<String> getSupportedExtensions();
+
   Object getTexParameter(int target, int pname);
 
   Object getUniform(WebGLProgram program, WebGLUniformLocation location);