Revert of Add nanosecond timer. (https://codereview.chromium.org/250243002/)

Reason for revert:
breaks EVERYTHING

Original issue's description:
> Add nanosecond timer.
>
> I've been finding it hard to get enough resolution out of our existing timers when measuring really tiny pictures.
>
> BUG=skia:2378
>
> Committed: http://code.google.com/p/skia/source/detail?r=14362

R=bsalomon@google.com, bungeman@google.com, mtklein@chromium.org
TBR=bsalomon@google.com, bungeman@google.com, mtklein@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:2378

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/258703002

git-svn-id: http://skia.googlecode.com/svn/trunk@14364 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/bench_playback.cpp b/tools/bench_playback.cpp
index 534ad96..a5dfe50 100644
--- a/tools/bench_playback.cpp
+++ b/tools/bench_playback.cpp
@@ -40,7 +40,7 @@
                                                                 src.width() * sizeof(SkPMColor)));
     canvas->clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile), SkIntToScalar(FLAGS_tile)));
 
-    const SkNSec start = SkTime::GetNSecs();
+    const SkMSec start = SkTime::GetMSecs();
     for (int i = 0; i < FLAGS_loops; i++) {
         if (FLAGS_skr) {
             SkRecordDraw(record, canvas.get());
@@ -49,9 +49,9 @@
         }
     }
 
-    const SkNSec elapsed = SkTime::GetNSecs() - start;
-    const double nsPerLoop = elapsed / (double)FLAGS_loops;
-    printf("%u\t%s\n", SkToUInt(nsPerLoop), name);
+    const SkMSec elapsed = SkTime::GetMSecs() - start;
+    const double msPerLoop = elapsed / (double)FLAGS_loops;
+    printf("%6.2f\t%s\n", msPerLoop, name);
 }
 
 int tool_main(int argc, char** argv);