Add SkDEBUGFAIL to clean up use of SkASSERT(!"text");
catch a couple of latent SkASSERT("text") bugs.

http://codereview.appspot.com/5504090/



git-svn-id: http://skia.googlecode.com/svn/trunk@2926 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkPathMeasure.cpp b/src/core/SkPathMeasure.cpp
index bc3a4b8..3158925 100644
--- a/src/core/SkPathMeasure.cpp
+++ b/src/core/SkPathMeasure.cpp
@@ -270,7 +270,7 @@
             }
             break;
         default:
-            SkASSERT(!"unknown segType");
+            SkDEBUGFAIL("unknown segType");
     }
 }
 
@@ -341,7 +341,7 @@
             }
             break;
         default:
-            SkASSERT(!"unknown segType");
+            SkDEBUGFAIL("unknown segType");
             sk_throw();
     }
 }