My clang now doesn't complain about !"foo".

BUG=
R=robertphillips@google.com

Review URL: https://codereview.chromium.org/22875037

git-svn-id: http://skia.googlecode.com/svn/trunk@10874 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/images/SkImageDecoder.cpp b/src/images/SkImageDecoder.cpp
index a671607..7c4c477 100644
--- a/src/images/SkImageDecoder.cpp
+++ b/src/images/SkImageDecoder.cpp
@@ -94,7 +94,7 @@
         case kWEBP_Format:
             return "WEBP";
         default:
-            SkASSERT(!"Invalid format type!");
+            SkDEBUGFAIL("Invalid format type!");
     }
     return "Unknown Format";
 }
@@ -433,7 +433,7 @@
 
     if (target->fRowBytes != SkToU32(bm.rowBytes())) {
         if (target->fRowBytes < SkImageMinRowBytes(*info)) {
-            SkASSERT(!"Desired row bytes is too small");
+            SkDEBUGFAIL("Desired row bytes is too small");
             return false;
         }
         bm.setConfig(bm.config(), bm.width(), bm.height(), target->fRowBytes);