Fix CodecSubset benches seg faults for kIndex8

bench/subset/SubsetBenchPriv.h

 /*
  * Copyright 2015 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SubsetBenchPriv_DEFINED
 #define SubsetBenchPriv_DEFINED
 
@@ skipping 14 matching lines @@
             return "Gray8";
         case kIndex_8_SkColorType:
             return "Index8";
         case kAlpha_8_SkColorType:
             return "Alpha8";
         default:
             return "Unknown";
     }
 }
 
+static inline void alloc_pixels(SkBitmap bitmap, SkColorType colorType, int width, int height,

[scroggo, 2015/06/30 18:48:50]

SkBitmap is a parameter passed by value, so this will not affect the bitmap you
pass to this function. You should pass a pointer to an SkBitmap.

[msarett, 2015/06/30 19:06:38]

Of course thanks!  Not sure how I didn't catch that.

+        SkPMColor* colors, int colorCount) {
+    if (kIndex_8_SkColorType == colorType) {
+        SkAutoTUnref<SkColorTable> colorTable(SkNEW_ARGS(SkColorTable, (colors, colorCount));
+        bitmap.allocPixels(info.makeWH(width, height), NULL, colorTable);
+    } else {
+        bitmap.allocPixels(info.makeWH(width, height));
+    }
+}
+
 #endif // SubsetBenchPriv_DEFINED