Added game-like bench marks

https://codereview.chromium.org/14772019/



git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@9078 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench.gypi b/bench.gypi
index baf7d44..ce4f94b 100644
--- a/bench.gypi
+++ b/bench.gypi
@@ -24,6 +24,7 @@
     '../bench/DeferredSurfaceCopyBench.cpp',
     '../bench/DisplacementBench.cpp',
     '../bench/FontScalerBench.cpp',
+    '../bench/GameBench.cpp',
     '../bench/GradientBench.cpp',
     '../bench/GrMemoryPoolBench.cpp',
     '../bench/InterpBench.cpp',