Simplify linkages to Android framework internals

dm/DMSrcSinkAndroid.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "DMSrcSink.h"
 #include "DMSrcSinkAndroid.h"
 
 #include "SkAndroidSDKCanvas.h"
 #include "SkCanvas.h"
-#include "SkHwuiRenderer.h"
 #include "SkiaCanvasProxy.h"
 #include "SkStream.h"
+#include <utils/TestWindowContext.h>
 
 /* These functions are only compiled in the Android Framework. */
 
 namespace DM {
 
 Error HWUISink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString*) const {
-    SkHwuiRenderer renderer;
-    renderer.initialize(src.size());
+    android::uirenderer::TestWindowContext renderer;
+    renderer.initialize(src.size().width(), src.size().height());
     SkCanvas* canvas = renderer.prepareToDraw();
     Error err = src.draw(canvas);
     if (!err.isEmpty()) {
         return err;
     }
     renderer.finishDrawing();
-    renderer.proxy->fence();
+    renderer.fence();
     renderer.capturePixels(dst);
     return "";
 }
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
 ViaAndroidSDK::ViaAndroidSDK(Sink* sink) : fSink(sink) { }
 
 Error ViaAndroidSDK::draw(const Src& src,
                           SkBitmap* bitmap,
@@ skipping 19 matching lines @@
             return "";
         }
         SkISize size() const override { return fSrc.size(); }
         Name name() const override { sk_throw(); return ""; }
     } proxy(src);
 
     return fSink->draw(proxy, bitmap, stream, log);
 }
 
 }  // namespace DM