Convert GrCrash->SkFAIL GrDebugCrash->SkDEBUGFAIL

R=robertphillips@google.com, reed@google.com, mtklein@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/257393004

git-svn-id: http://skia.googlecode.com/svn/trunk@14460 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/effects/GrConfigConversionEffect.cpp b/src/gpu/effects/GrConfigConversionEffect.cpp
index 9b342fb..f33ad23 100644
--- a/src/gpu/effects/GrConfigConversionEffect.cpp
+++ b/src/gpu/effects/GrConfigConversionEffect.cpp
@@ -61,7 +61,7 @@
                         outputColor, outputColor, outputColor, swiz, outputColor, outputColor);
                     break;
                 default:
-                    GrCrash("Unknown conversion op.");
+                    SkFAIL("Unknown conversion op.");
                     break;
             }
         }