Support snapshots in sky_shell (again)

sky/shell/ui/engine.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_SHELL_UI_ENGINE_H_
 #define SKY_SHELL_UI_ENGINE_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 55 matching lines @@
   void OnOutputSurfaceDestroyed() override;
 
   // ViewportObserver:
   void OnViewportMetricsChanged(int width, int height,
                                 float device_pixel_ratio) override;
   void OnInputEvent(InputEventPtr event) override;
 
   void RunFromNetwork(const mojo::String& url) override;
   void RunFromFile(const mojo::String& main,
                    const mojo::String& package_root) override;
-  void RunFromSnapshot(mojo::ScopedDataPipeConsumerHandle snapshot) override;
+  void RunFromSnapshot(const mojo::String& url,
+                       mojo::ScopedDataPipeConsumerHandle snapshot) override;
 
   // WebViewClient methods:
   void frameDetached(blink::WebFrame*) override;
   void initializeLayerTreeView() override;
   void scheduleVisualUpdate() override;
   blink::WebScreenInfo screenInfo() override;
   blink::ServiceProvider* services() override;
 
   // WebFrameClient methods:
   void didCreateIsolate(blink::WebLocalFrame* frame,
@@ skipping 32 matching lines @@
 
   base::WeakPtrFactory<Engine> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Engine);
 };
 
 }  // namespace shell
 }  // namespace sky
 
 #endif  // SKY_SHELL_UI_ENGINE_H_