Revert "Revert "speed up A8 by creating a new entry-point in SkDraw that blits the path's coverage …

gyp/bench.gypi

 # sources and conditions used in skia's bench.gyp and chromium's skia.gyp
 #
 {
   'sources': [
     '../bench/benchmain.cpp',
     '../bench/SkBenchmark.h',
     '../bench/SkBenchmark.cpp',
     '../bench/AAClipBench.cpp',
     '../bench/BicubicBench.cpp',
     '../bench/BitmapBench.cpp',
     '../bench/BitmapRectBench.cpp',
     '../bench/BitmapScaleBench.cpp',
     '../bench/BlurBench.cpp',
     '../bench/BlurImageFilterBench.cpp',
     '../bench/BlurRectBench.cpp',
     '../bench/BlurRoundRectBench.cpp',
     '../bench/ChecksumBench.cpp',
     '../bench/ChartBench.cpp',
     '../bench/ChromeBench.cpp',
     '../bench/CmapBench.cpp',
     '../bench/ColorFilterBench.cpp',
+    '../bench/CoverageBench.cpp',
     '../bench/DashBench.cpp',
     '../bench/DecodeBench.cpp',
     '../bench/DeferredCanvasBench.cpp',
     '../bench/DeferredSurfaceCopyBench.cpp',
     '../bench/DisplacementBench.cpp',
     '../bench/FontCacheBench.cpp',
     '../bench/FontScalerBench.cpp',
     '../bench/FSRectBench.cpp',
     '../bench/GameBench.cpp',
     '../bench/GradientBench.cpp',
@@ skipping 45 matching lines @@
     '../bench/SkBenchLogger.h',
     '../bench/SkBenchLogger.cpp',
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
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