rendering: Track pinch-zoom and wheel-scroll throughput.

BUG=790761

Change-Id: Id33e2f4362637bd5871b8d4e63a070b02dff8912
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1724515Reviewed-by: Simon Hatch <simonhatch@chromium.org>
Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Commit-Queue: Sadrul Chowdhury <sadrul@chromium.org>
Cr-Commit-Position: refs/heads/master@{#682398}

tools/perf/benchmarks/rendering.py

@@ -35,10 +35,14 @@ class _RenderingBenchmark(perf_benchmark.PerfBenchmark):
         'Event.Latency.ScrollUpdate.Touch.TimeToScrollUpdateSwapBegin4',
         'Event.Latency.ScrollBegin.Wheel.TimeToScrollUpdateSwapBegin4',
         'Event.Latency.ScrollUpdate.Wheel.TimeToScrollUpdateSwapBegin4',
+        'Graphics.Smoothness.Throughput.MainThread.PinchZoom',
         'Graphics.Smoothness.Throughput.MainThread.RAF',
         'Graphics.Smoothness.Throughput.MainThread.TouchScroll',
+        'Graphics.Smoothness.Throughput.MainThread.WheelScroll',
         'Graphics.Smoothness.Throughput.CompositorThread.CompositorAnimation',
-        'Graphics.Smoothness.Throughput.CompositorThread.TouchScroll')
+        'Graphics.Smoothness.Throughput.CompositorThread.PinchZoom',
+        'Graphics.Smoothness.Throughput.CompositorThread.TouchScroll',
+        'Graphics.Smoothness.Throughput.CompositorThread.WheelScroll')
     options.SetTimelineBasedMetrics(['renderingMetric', 'umaMetric'])
     return options