Support snapshots in sky_shell (again)

sky/engine/core/script/dart_controller.h

 // 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.
 
 #ifndef SKY_ENGINE_CORE_SCRIPT_DART_CONTROLLER_H_
 #define SKY_ENGINE_CORE_SCRIPT_DART_CONTROLLER_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 18 matching lines @@
 class DartController {
  public:
   DartController();
   ~DartController();
 
   static void InitVM();
 
   typedef base::Callback<void(RefPtr<AbstractModule>, RefPtr<DartValue>)>
       LoadFinishedCallback;
 
-  void LoadSnapshot(const KURL& url, mojo::URLResponsePtr response = nullptr);
-
   void RunFromLibrary(const String& name,
                       DartLibraryProvider* library_provider);
+  void RunFromSnapshot(mojo::ScopedDataPipeConsumerHandle snapshot);
 
   void LoadScriptInModule(AbstractModule* module,
                           const String& source,
                           const TextPosition& textPosition,
                           const LoadFinishedCallback& load_finished_callback);
   void ExecuteLibraryInModule(AbstractModule* module,
                               Dart_Handle library,
                               HTMLScriptElement* script);
 
   void ClearForClose();
@@ skipping 17 matching lines @@
   OwnPtr<DartSnapshotLoader> snapshot_loader_;
 
   base::WeakPtrFactory<DartController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DartController);
 };
 
 }
 
 #endif // SKY_ENGINE_CORE_SCRIPT_DART_CONTROLLER_H_