Remove dead code from DartController

sky/engine/core/script/dart_controller.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/engine/core/script/dart_controller.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/trace_event/trace_event.h"
 #include "dart/runtime/bin/embedded_dart_io.h"
 #include "dart/runtime/include/dart_mirrors_api.h"
 #include "gen/sky/platform/RuntimeEnabledFeatures.h"
 #include "sky/engine/bindings/builtin.h"
 #include "sky/engine/bindings/builtin_natives.h"
 #include "sky/engine/bindings/builtin_sky.h"
 #include "sky/engine/core/app/AbstractModule.h"
 #include "sky/engine/core/app/Module.h"
 #include "sky/engine/core/dom/Element.h"
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/loader/FrameLoaderClient.h"
 #include "sky/engine/core/script/dart_debugger.h"
-#include "sky/engine/core/script/dart_library_provider_webview.h"
 #include "sky/engine/core/script/dart_service_isolate.h"
 #include "sky/engine/core/script/dom_dart_state.h"
 #include "sky/engine/public/platform/Platform.h"
 #include "sky/engine/tonic/dart_api_scope.h"
 #include "sky/engine/tonic/dart_class_library.h"
 #include "sky/engine/tonic/dart_dependency_catcher.h"
 #include "sky/engine/tonic/dart_error.h"
 #include "sky/engine/tonic/dart_gc_controller.h"
 #include "sky/engine/tonic/dart_invoke.h"
 #include "sky/engine/tonic/dart_isolate_scope.h"
@@ skipping 283 matching lines @@
                         nullptr,  // Isolate interrupt callback.
                         UnhandledExceptionCallback, IsolateShutdownCallback,
                         // File IO callbacks.
                         nullptr, nullptr, nullptr, nullptr, nullptr));
   // Wait for load port- ensures handle watcher and service isolates are
   // running.
   Dart_ServiceWaitForLoadPort();
 }
 
 } // namespace blink