Consolidate SK_CRASH and sk_throw into SK_ABORT

tools/Stats.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef Stats_DEFINED
 #define Stats_DEFINED
 
@@ skipping 44 matching lines @@
                 // All samples are the same value.  Don't divide by zero.
                 plot.append(kBars[0]);
                 continue;
             }
 
             double s = samples[i];
             s -= min;
             s /= (max - min);
             s *= (SK_ARRAY_COUNT(kBars) - 1);
             const size_t bar = (size_t)(s + 0.5);
-            SK_ALWAYSBREAK(bar < SK_ARRAY_COUNT(kBars));
+            SkASSERT_RELEASE(bar < SK_ARRAY_COUNT(kBars));
             plot.append(kBars[bar]);
         }
     }
 
     double min;
     double max;
     double mean;    // Estimate of population mean.
     double var;     // Estimate of population variance.
     double median;
     SkString plot;  // A single-line bar chart (_not_ histogram) of the samples.
 };
 
 #endif//Stats_DEFINED