CL to add setFullscreen and setVsync to SkWindow

include/views/SkWindow.h

Index: include/views/SkWindow.h
diff --git a/include/views/SkWindow.h b/include/views/SkWindow.h
index 748e6da9672a0ae864158cdf1e9746bec69e0a4b..70cbcc19e1d8efe4bf8ae4228e59350f6418e81b 100644
--- a/include/views/SkWindow.h
+++ b/include/views/SkWindow.h
@@ -79,6 +79,10 @@ public:
 
     virtual void onPDFSaved(const char title[], const char desc[],
         const char path[]) {}
+
+    virtual void setFullscreen(bool) {}
+    virtual void setVsync(bool) {}
+
 protected:
     virtual bool onEvent(const SkEvent&);
     virtual bool onDispatchClick(int x, int y, Click::State, void* owner, unsigned modi);