Update Dart dependency and patch dart_controller to account for non-backwards compatible API update

sky/tools/packager/vm.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sky/tools/packager/vm.h"
 
 #include "base/logging.h"
 #include "sky/tools/packager/loader.h"
 #include "sky/tools/packager/logging.h"
 
 namespace blink {
 extern const uint8_t* kDartVmIsolateSnapshotBuffer;
 extern const uint8_t* kDartIsolateSnapshotBuffer;
 }
 
 void InitDartVM() {
   int argc = 0;
   const char** argv = nullptr;
 
   CHECK(Dart_SetVMFlags(argc, argv));
-  CHECK(Dart_Initialize(blink::kDartVmIsolateSnapshotBuffer,
-                        nullptr,  // Isolate created callback.
-                        nullptr,  // Isolate interrupt callback.
-                        nullptr,  // Unhandled exception callback.
-                        nullptr,  // Isolate shutdown callback.
-                        // File IO callbacks.
-                        nullptr, nullptr, nullptr, nullptr, nullptr));
+  CHECK(Dart_Initialize(blink::kDartVmIsolateSnapshotBuffer, nullptr, nullptr,
+                        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+                        nullptr));
 }
 
 Dart_Isolate CreateDartIsolate() {
   CHECK(blink::kDartIsolateSnapshotBuffer);
   char* error = nullptr;
-  Dart_Isolate isolate =
-      Dart_CreateIsolate("http://example.com", "main",
-                         blink::kDartIsolateSnapshotBuffer, nullptr, &error);
+  Dart_Isolate isolate = Dart_CreateIsolate("http://example.com", "main",
+                                            blink::kDartIsolateSnapshotBuffer,
+                                            nullptr, nullptr, &error);
 
   CHECK(isolate) << error;
   CHECK(!LogIfError(Dart_SetLibraryTagHandler(HandleLibraryTag)));
   LoadSkyInternals();
 
   Dart_ExitIsolate();
   return isolate;
 }