Alter bench_pictures to "respect" the logPerIter flag

tools/PictureRenderer.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef PictureRenderer_DEFINED
 #define PictureRenderer_DEFINED
 
@@ skipping 129 matching lines @@
     virtual void end();
 
     /**
      * If this PictureRenderer is actually a TiledPictureRender, return a pointer to this as a
      * TiledPictureRender so its methods can be called.
      */
     virtual TiledPictureRenderer* getTiledRenderer() { return NULL; }
 
     /**
      * Resets the GPU's state. Does nothing if the backing is raster. For a GPU renderer, calls
-     * flush, and calls finish if callFinish is true.
+     * flush, swapBuffers and, if callFinish is true, finish.
      * @param callFinish Whether to call finish.
      */
     void resetState(bool callFinish);
 
     /**
      * Remove all decoded textures from the CPU caches and all uploaded textures
      * from the GPU.
      */
     void purgeTextures();
 
@@ skipping 461 matching lines @@
 
     typedef PictureRenderer INHERITED;
 };
 
 extern PictureRenderer* CreateGatherPixelRefsRenderer();
 extern PictureRenderer* CreatePictureCloneRenderer();
 
 }
 
 #endif  // PictureRenderer_DEFINED