Print GPU cache stats in nanobench/dm with veryVerbose

dm/DMGpuGMTask.cpp

 #include "DMGpuGMTask.h"
 #include "DMUtil.h"
 #include "DMWriteTask.h"
-#include "SkCommandLineFlags.h"
+#include "SkCommonFlags.h"
 #include "SkSurface.h"
 #include "SkTLS.h"
 
 namespace DM {
 
 GpuGMTask::GpuGMTask(const char* config,
                      Reporter* reporter,
                      TaskRunner* taskRunner,
                      skiagm::GMRegistry::Factory gmFactory,
                      GrContextFactory::GLContextType contextType,
@@ skipping 17 matching lines @@
     if (!surface) {
         this->fail("Could not create context for the config and the api.");
         return;
     }
     SkCanvas* canvas = surface->getCanvas();
     CanvasPreflight(canvas);
 
     canvas->concat(fGM->getInitialTransform());
     fGM->draw(canvas);
     canvas->flush();
+#if GR_CACHE_STATS && SK_SUPPORT_GPU
+    if (FLAGS_veryVerbose) {
+        grFactory->get(fContextType)->printCacheStats();
+    }
+#endif
 
     SkBitmap bitmap;
     bitmap.setInfo(info);
     canvas->readPixels(&bitmap, 0, 0);
 
     this->spawnChild(SkNEW_ARGS(WriteTask, (*this, "GM", bitmap)));
 }
 
 bool GpuGMTask::shouldSkip() const {
     return kGPUDisabled || SkToBool(fGM->getFlags() & skiagm::GM::kSkipGPU_Flag);
 }
 
 }  // namespace DM