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/pipe/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index f819088..f30f105 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -49,7 +49,7 @@
             paint->setXfermode((SkXfermode*)obj);
             break;
         default:
-            SkASSERT(!"never gets here");
+            SkDEBUGFAIL("never gets here");
     }
 }
 
@@ -403,7 +403,7 @@
             }
 
             case kTypeface_PaintOp: state->setTypeface(p, data); break;
-            default: SkASSERT(!"bad paintop"); return;
+            default: SkDEBUGFAIL("bad paintop"); return;
         }
         SkASSERT(reader->offset() <= stop);
     } while (reader->offset() < stop);