Start actually adding incrementality into incremental kernel generator.

pkg/front_end/lib/src/base/processed_options.dart

Index: pkg/front_end/lib/src/base/processed_options.dart
diff --git a/pkg/front_end/lib/src/base/processed_options.dart b/pkg/front_end/lib/src/base/processed_options.dart
index 2973bc2e619d93c98094e33cfe631e330a028494..a2060b97bdc6987724ba6c600458473165b8793a 100644
--- a/pkg/front_end/lib/src/base/processed_options.dart
+++ b/pkg/front_end/lib/src/base/processed_options.dart
@@ -8,6 +8,8 @@ import 'package:analyzer/src/summary/idl.dart';
 import 'package:front_end/compiler_options.dart';
 import 'package:front_end/file_system.dart';
 import 'package:front_end/src/fasta/translate_uri.dart';
+import 'package:front_end/src/base/performace_logger.dart';
+import 'package:front_end/src/incremental/byte_store.dart';
 import 'package:package_config/packages_file.dart' as package_config;
 
 /// Wrapper around [CompilerOptions] which exposes the options in a form useful
@@ -40,6 +42,16 @@ class ProcessedOptions {
   /// Initializes a [ProcessedOptions] object wrapping the given [rawOptions].
   ProcessedOptions(CompilerOptions rawOptions) : this._raw = rawOptions;
 
+  /// The logger to report compilation progress.
+  PerformanceLog get logger {
+    return _raw.logger;
+  }
+
+  /// The byte storage to get and put serialized data.
+  ByteStore get byteStore {
+    return _raw.byteStore;
+  }
+
   /// Determine whether to generate code for the SDK when compiling a
   /// whole-program.
   bool get compileSdk => _raw.compileSdk;