Nit to self: NULL is not false.

src/opts/opts_check_arm.cpp

 /***************************************************************************
  * Copyright (c) 2010, Code Aurora Forum. All rights reserved.
  * Copyright 2006-2010, 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.
  ***************************************************************************/
 
 /* Changes:
  * 2011-04-01 ARM
@@ skipping 80 matching lines @@
             return NULL;
     }
 #endif
 }
 
 bool SkBoxBlurGetPlatformProcs(SkBoxBlurProc* boxBlurX,
                                SkBoxBlurProc* boxBlurY,
                                SkBoxBlurProc* boxBlurXY,
                                SkBoxBlurProc* boxBlurYX) {
 #if SK_ARM_NEON_IS_NONE
-    return NULL;
+    return false;
 #else
 #if SK_ARM_NEON_IS_DYNAMIC
     if (!sk_cpu_arm_has_neon()) {
-        return NULL;
+        return false;
     }
 #endif
     return SkBoxBlurGetPlatformProcs_NEON(boxBlurX, boxBlurY, boxBlurXY, boxBlurYX);
 #endif
 }