GPU benchmarks should track the frequency of impl-thread vs. main-thread scrolls

content/renderer/gpu/gpu_benchmarking_extension.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
 
 #include <string>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 152 matching lines @@
     stats_object->Set(v8::String::New("droppedFrameCount"),
                       v8::Integer::New(stats.droppedFrameCount));
     stats_object->Set(v8::String::New("totalPaintTimeInSeconds"),
                       v8::Number::New(stats.totalPaintTimeInSeconds));
     stats_object->Set(v8::String::New("totalRasterizeTimeInSeconds"),
                       v8::Number::New(stats.totalRasterizeTimeInSeconds));
     stats_object->Set(v8::String::New("totalCommitTimeInSeconds"),
                       v8::Number::New(stats.totalCommitTimeInSeconds));
     stats_object->Set(v8::String::New("totalCommitCount"),
                       v8::Integer::New(stats.totalCommitCount));
+    stats_object->Set(v8::String::New("didImplThreadScroll"),
+                      v8::Boolean::New(stats.didImplThreadScroll));
 
     stats_object->Set(v8::String::New("globalTextureUploadCount"),
                       v8::Number::New(gpu_stats.global_texture_upload_count));
     stats_object->Set(
         v8::String::New("globalTotalTextureUploadTimeInSeconds"),
         v8::Number::New(
             gpu_stats.global_total_texture_upload_time.InSecondsF()));
     stats_object->Set(v8::String::New("textureUploadCount"),
                       v8::Number::New(gpu_stats.texture_upload_count));
     stats_object->Set(
@@ skipping 157 matching lines @@
 
     return results;
   }
 };
 
 v8::Extension* GpuBenchmarkingExtension::Get() {
   return new GpuBenchmarkingWrapper();
 }
 
 }  // namespace content