Add support for static calls to the cps pipeline code generator.

pkg/compiler/lib/src/js_backend/codegen/codegen.dart

Index: pkg/compiler/lib/src/js_backend/codegen/codegen.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/codegen.dart b/pkg/compiler/lib/src/js_backend/codegen/codegen.dart
index 39602ce2d7daba5dff3c472e30f7990cd5244bac..7d97df0dd884deb1f971ba482dbd71559861cfc8 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/codegen.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/codegen.dart
@@ -108,8 +108,12 @@ class CodeGenerator extends tree_ir.Visitor<dynamic, js.Expression> {
 
   @override
   js.Expression visitInvokeStatic(tree_ir.InvokeStatic node) {
-    return giveup(node);
-    // TODO: implement visitInvokeStatic
+    Element element = node.target;
+
+    registry.registerStaticInvocation(element);
+
+    js.Expression elementAccess = glue.elementAccess(node.target);
+    return new js.Call(elementAccess, visitArguments(node.arguments));
   }
 
   @override