telemetry: Refactored rasterize_and_record measurement.

cc/trees/single_thread_proxy.cc

Index: cc/trees/single_thread_proxy.cc
diff --git a/cc/trees/single_thread_proxy.cc b/cc/trees/single_thread_proxy.cc
index 0c04b5b78e5fda9b66efcbcbeba6969455896797..7833b24b8681bfb2352c98314622022fbe9922df 100644
--- a/cc/trees/single_thread_proxy.cc
+++ b/cc/trees/single_thread_proxy.cc
@@ -6,6 +6,7 @@
 
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
+#include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/context_provider.h"
 #include "cc/output/output_surface.h"
 #include "cc/quads/draw_quad.h"
@@ -225,7 +226,8 @@ void SingleThreadProxy::DoCommit(scoped_ptr<ResourceUpdateQueue> queue) {
 
     RenderingStatsInstrumentation* stats_instrumentation =
         layer_tree_host_->rendering_stats_instrumentation();
-    stats_instrumentation->IssueTraceEventForMainThreadStats();
+    BenchmarkInstrumentation::IssueMainThreadRenderingStatsEvent(
+        stats_instrumentation->main_thread_rendering_stats());
     stats_instrumentation->AccumulateAndClearMainThreadStats();
   }
   layer_tree_host_->CommitComplete();