nibless mac, visual bench working on mac

tools/VisualBench.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 "VisualBench.h"
 
@@ skipping 105 matching lines @@
 }
 
 void VisualBench::setupRenderTarget() {
     if (fContext) {
         fRenderTarget.reset(this->renderTarget(fAttachmentInfo, fInterface, fContext));
     }
 }
 
 inline void VisualBench::renderFrame(SkCanvas* canvas) {
     canvas->drawPicture(fPicture);
-    fContext->flush();
+    canvas->flush();
     INHERITED::present();
 }
 
 void VisualBench::printStats() {
     const SkTArray<double>& measurements = fRecords[fCurrentPictureIdx].fMeasurements;
     SkString shortName = SkOSPath::Basename(fRecords[fCurrentPictureIdx].fFilename.c_str());
     if (FLAGS_verbose) {
         for (int i = 0; i < measurements.count(); i++) {
             SkDebugf("%s  ", HUMANIZE(measurements[i]));
         }
@@ skipping 103 matching lines @@
 
 void application_term() {
     SkEvent::Term();
     SkGraphics::Term();
 }
 
 SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) {
     return new VisualBench(hwnd, argc, argv);
 }