Alter bench_pictures to "respect" the logPerIter flag

tools/PictureRenderer.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "PictureRenderer.h"
 #include "picture_utils.h"
 #include "SamplePipeControllers.h"
@@ skipping 229 matching lines @@
 
 void PictureRenderer::resetState(bool callFinish) {
 #if SK_SUPPORT_GPU
     SkGLContextHelper* glContext = this->getGLContext();
     if (NULL == glContext) {
         SkASSERT(kBitmap_DeviceType == fDeviceType);
         return;
     }
 
     fGrContext->flush();
+    glContext->swapBuffers();
     if (callFinish) {
         SK_GL(*glContext, Finish());
     }
 #endif
 }
 
 void PictureRenderer::purgeTextures() {
     SkDiscardableMemoryPool* pool = SkGetGlobalDiscardableMemoryPool();
 
     pool->dumpPool();
@@ skipping 693 matching lines @@
     virtual SkString getConfigNameInternal() SK_OVERRIDE {
         return SkString("picture_clone");
     }
 };
 
 PictureRenderer* CreatePictureCloneRenderer() {
     return SkNEW(PictureCloneRenderer);
 }
 
 } // namespace sk_tools