Update testing frameworks/tests for MDB

src/gpu/GrDrawingManager.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawingManager_DEFINED
 #define GrDrawingManager_DEFINED
 
@@ skipping 32 matching lines @@
     // be balanced by an unref call.
     GrDrawTarget* newDrawTarget(GrRenderTarget* rt);
 
     GrContext* getContext() { return fContext; }
 
     GrPathRenderer* getPathRenderer(const GrPathRenderer::CanDrawPathArgs& args,
                                     bool allowSW,
                                     GrPathRendererChain::DrawType drawType,
                                     GrPathRenderer::StencilSupport* stencilSupport = NULL);
 
-    static bool ProgramUnitTest(GrContext* context, GrDrawTarget* drawTarget, int maxStages);
+    static bool ProgramUnitTest(GrContext* context, int maxStages);
 
 private:
     GrDrawingManager(GrContext* context)
         : fContext(context)
         , fAbandoned(false)
         , fNVPRTextContext(nullptr)
         , fPathRendererChain(nullptr)
         , fSoftwarePathRenderer(nullptr)
         , fFlushState(context->getGpu(), context->resourceProvider()) {
         sk_bzero(fTextContexts, sizeof(fTextContexts));
@@ skipping 17 matching lines @@
     GrTextContext*              fNVPRTextContext;
     GrTextContext*              fTextContexts[kNumPixelGeometries][kNumDFTOptions];
 
     GrPathRendererChain*        fPathRendererChain;
     GrSoftwarePathRenderer*     fSoftwarePathRenderer;
 
     GrBatchFlushState           fFlushState;
 };
 
 #endif