Move some methods to SkiaServe's Request, this is still very leaky

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
 
@@ skipping 14 matching lines @@
     MHD_PostProcessor* fPostProcessor;
     MHD_Connection* connection;
 };
 
 struct Request {
     Request(SkString rootUrl) 
     : fUploadContext(nullptr)
     , fUrlDataManager(rootUrl)
     , fGPUEnabled(false) {}
 
+    SkSurface* createCPUSurface();
+    SkSurface* createGPUSurface();
+    SkData* drawToPng(int n);
+    void drawToCanvas(int n);
+    SkCanvas* getCanvas();
+    SkData* writeCanvasToPng(SkCanvas* canvas);
+    SkBitmap* getBitmapFromCanvas(SkCanvas* canvas);
+
+    // TODO probably want to make this configurable
+    static const int kImageWidth;
+    static const int kImageHeight;
+
     UploadContext* fUploadContext;
     SkAutoTUnref<SkPicture> fPicture;
     SkAutoTUnref<SkDebugCanvas> fDebugCanvas;
     SkAutoTDelete<GrContextFactory> fContextFactory;
     SkAutoTUnref<SkSurface> fSurface;
     UrlDataManager fUrlDataManager;
     bool fGPUEnabled;
 };
 
 #endif