Dart SDK roll for 2018/09/07 (flutter#6201)

Author: bkonyi

DEPS

@@ -31,7 +31,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '760a9690c22ec3f3d163173737f9949f97e6e02a',
+  'dart_revision': 'cd9a42239f76e110dd73aeaac4c69a057a76ddf1',
 
   'dart_args_tag': '1.4.4',
   'dart_async_tag': '2.0.8',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: da77c336d1e2756b2cca2e2d00f2d741
+Signature: fbcaf0eca04aa4bfacf6dcc71a919be3
 
 UNUSED LICENSES:
 
@@ -5455,12 +5455,14 @@ FILE: ../../../third_party/dart/runtime/include/dart_embedder_api.h
 FILE: ../../../third_party/dart/runtime/vm/base64.cc
 FILE: ../../../third_party/dart/runtime/vm/base64.h
 FILE: ../../../third_party/dart/runtime/vm/base64_test.cc
+FILE: ../../../third_party/dart/runtime/vm/code_patcher_kbc.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/assembler/disassembler_kbc.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/assembler/disassembler_kbc.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/code_statistics.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/code_statistics.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/compiler_pass.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/compiler_pass.h
+FILE: ../../../third_party/dart/runtime/vm/compiler/compiler_state.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/frontend/base_flow_graph_builder.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/frontend/base_flow_graph_builder.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/frontend/bytecode_reader.cc
@@ -5478,8 +5480,11 @@ FILE: ../../../third_party/dart/runtime/vm/constants_kbc.h
 FILE: ../../../third_party/dart/runtime/vm/datastream.cc
 FILE: ../../../third_party/dart/runtime/vm/finalizable_data.h
 FILE: ../../../third_party/dart/runtime/vm/hash.h
+FILE: ../../../third_party/dart/runtime/vm/instructions_kbc.cc
+FILE: ../../../third_party/dart/runtime/vm/instructions_kbc.h
 FILE: ../../../third_party/dart/runtime/vm/interpreter.cc
 FILE: ../../../third_party/dart/runtime/vm/interpreter.h
+FILE: ../../../third_party/dart/runtime/vm/interpreter_unsupported.cc
 FILE: ../../../third_party/dart/runtime/vm/stack_frame_kbc.h
 FILE: ../../../third_party/dart/runtime/vm/type_testing_stubs.cc
 FILE: ../../../third_party/dart/runtime/vm/type_testing_stubs.h

frontend_server/lib/server.dart

@@ -39,6 +39,11 @@ class _FlutterFrontendCompiler implements frontend.CompilerInterface{
     _compiler.acceptLastDelta();
   }
 
+  @override
+  Future<Null> rejectLastDelta() async {
+    return _compiler.rejectLastDelta();
+  }
+
   @override
   void invalidate(Uri uri) {
     _compiler.invalidate(uri);