Fix up no gpu build

tools/skiaserve/Request.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef Request_DEFINED
 #define Request_DEFINED
 
+#if SK_SUPPORT_GPU
 #include "GrContextFactory.h"
+#endif
 
 #include "SkDebugCanvas.h"
 #include "SkPicture.h"
 #include "SkStream.h"
 #include "SkSurface.h"
 
 #include "UrlDataManager.h"
 
+class GrContextFactory;
 struct MHD_Connection;
 struct MHD_PostProcessor;
 
 struct UploadContext {
     SkDynamicMemoryWStream fStream;
     MHD_PostProcessor* fPostProcessor;
     MHD_Connection* connection;
 };
 
 struct Request {
-    Request(SkString rootUrl); 
+    Request(SkString rootUrl);
+    ~Request();
 
     // draws to skia draw op N, highlighting the Mth batch(-1 means no highlight)
     SkData* drawToPng(int n, int m = -1);
     SkData* writeOutSkp();
     SkCanvas* getCanvas();
     SkBitmap* getBitmapFromCanvas(SkCanvas* canvas);
     bool enableGPU(bool enable);
     bool hasPicture() const { return SkToBool(fPicture.get()); }
     int getLastOp() const { return fDebugCanvas->getSize() - 1; }
 
@@ skipping 17 matching lines @@
     
 private:
     SkData* writeCanvasToPng(SkCanvas* canvas);
     void drawToCanvas(int n, int m = -1);
     SkSurface* createCPUSurface();
     SkSurface* createGPUSurface();
     SkIRect getBounds();
     GrContext* getContext();
     
     SkAutoTUnref<SkPicture> fPicture;
-    SkAutoTDelete<GrContextFactory> fContextFactory;
+    GrContextFactory* fContextFactory;

[ethannicholas, 2016/03/11 19:21:38]

Why this change? I mean, I see you're now cleaning it up in the destructor, but
I don't see why you didn't just continue using SkAutoTDelete.

     SkAutoTUnref<SkSurface> fSurface;
     bool fGPUEnabled;
 };
 
 #endif