Add visualbench option to not reset between samples

tools/VisualBench/VisualLightweightBenchModule.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 "VisualLightweightBenchModule.h"
 
 #include "ProcStats.h"
@@ skipping 24 matching lines @@
 static SkString humanize(double ms) {
     if (FLAGS_verbose) {
         return SkStringPrintf("%llu", (uint64_t)(ms*1e6));
     }
     return HumanizeMs(ms);
 }
 
 #define HUMANIZE(time) humanize(time).c_str()
 
 VisualLightweightBenchModule::VisualLightweightBenchModule(VisualBench* owner)
-    : INHERITED(owner, true)
+    : INHERITED(owner)
     , fCurrentSample(0)
     , fResults(new ResultsWriter) {
     // Print header
     SkDebugf("curr/maxrss\tloops\tmin\tmedian\tmean\tmax\tstddev\t%-*s\tbench\n", FLAGS_samples,
              "samples");
 
     // setup json logging if required
     if (!FLAGS_outResultsFile.isEmpty()) {
         fResults.reset(new NanoJSONResultsWriter(FLAGS_outResultsFile[0]));
     }
@@ skipping 74 matching lines @@
         fRecords.push_back();
         fCurrentSample = 0;
         return true;
     }
     return false;
 }
 
 bool VisualLightweightBenchModule::onHandleChar(SkUnichar c) {
     return true;
 }