First step of support for parsing and ignoring generic methods.

pkg/compiler/lib/src/parser/diet_parser_task.dart

Index: pkg/compiler/lib/src/parser/diet_parser_task.dart
diff --git a/pkg/compiler/lib/src/parser/diet_parser_task.dart b/pkg/compiler/lib/src/parser/diet_parser_task.dart
index 9afc8d4dcb90e6f532ce029a5d19aaad3aaa18f7..9d69453569b15b86747322c53b84653c455d4870 100644
--- a/pkg/compiler/lib/src/parser/diet_parser_task.dart
+++ b/pkg/compiler/lib/src/parser/diet_parser_task.dart
@@ -18,15 +18,19 @@ import 'listener.dart' show
     ParserError;
 import 'element_listener.dart' show
     ElementListener,
-    ScannerOptions;
+    ScannerOptions,
+    ParserOptions;
 import 'partial_parser.dart' show
     PartialParser;
 
 class DietParserTask extends CompilerTask {
   final bool _enableConditionalDirectives;
+  final bool _enableGenericMethods;
 
-  DietParserTask(Compiler compiler, {bool enableConditionalDirectives})
-      : this._enableConditionalDirectives = enableConditionalDirectives,
+  DietParserTask(Compiler compiler, ParserOptions parserOptions)
+      : this._enableConditionalDirectives =
+            parserOptions.enableConditionalDirectives,
+        this._enableGenericMethods = parserOptions.enableGenericMethods,
         super(compiler);
 
   final String name = 'Diet Parser';
@@ -40,7 +44,9 @@ class DietParserTask extends CompilerTask {
       ElementListener listener = new ElementListener(
           scannerOptions, compiler.reporter, compilationUnit, idGenerator);
       PartialParser parser = new PartialParser(
-          listener, enableConditionalDirectives: _enableConditionalDirectives);
+          listener,
+          enableConditionalDirectives: _enableConditionalDirectives,
+          enableGenericMethods: _enableGenericMethods);
       try {
         parser.parseUnit(tokens);
       } on ParserError catch(_) {