Add support for snapshot loading to Sky

sky/engine/web/WebViewImpl.cpp

Index: sky/engine/web/WebViewImpl.cpp
diff --git a/sky/engine/web/WebViewImpl.cpp b/sky/engine/web/WebViewImpl.cpp
index 10ae28b364b37bb7314b6a3e1fc046b55505e255..6b53e0b56a224dcae0e772f3a4b46963608bd7f1 100644
--- a/sky/engine/web/WebViewImpl.cpp
+++ b/sky/engine/web/WebViewImpl.cpp
@@ -104,7 +104,8 @@ bool WebView::shouldUseWebView(const GURL& url)
         filename.resize(queryStart);
     // For now .dart indicates we should use SkyView. Eventually we'll
     // use SkyView for all urls regardless of file extension.
-    return !EndsWith(filename, ".dart", false);
+    return !EndsWith(filename, ".dart", false)
+        && !EndsWith(filename, ".snapshot", false);
 }
 
 WebView* WebView::create(WebViewClient* client)