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/utils/ios/SkFontHost_iOS.mm b/src/utils/ios/SkFontHost_iOS.mm
index 60f111c..ae75165 100755
--- a/src/utils/ios/SkFontHost_iOS.mm
+++ b/src/utils/ios/SkFontHost_iOS.mm
@@ -172,12 +172,12 @@
 }
 
 SkTypeface* SkFontHost::CreateTypefaceFromStream(SkStream* stream) {
-    SkASSERT(!"SkFontHost::CreateTypeface unimplemented");
+    SkDEBUGFAIL("SkFontHost::CreateTypeface unimplemented");
     return NULL;
 }
 
 SkTypeface* SkFontHost::CreateTypefaceFromFile(char const*) {
-//    SkASSERT(!"SkFontHost::CreateTypefaceFromFile unimplemented");
+//    SkDEBUGFAIL("SkFontHost::CreateTypefaceFromFile unimplemented");
     return NULL;
 }
 
@@ -198,7 +198,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkFontHost::Serialize(const SkTypeface* face, SkWStream* stream) {
-    SkASSERT(!"SkFontHost::Serialize unimplemented");
+    SkDEBUGFAIL("SkFontHost::Serialize unimplemented");
 }
 
 SkTypeface* SkFontHost::Deserialize(SkStream* stream) {
@@ -249,7 +249,7 @@
 SkAdvancedTypefaceMetrics* SkFontHost::GetAdvancedTypefaceMetrics(
                                                                   uint32_t fontID,
                                                                   SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) {
-    SkASSERT(!"SkFontHost::GetAdvancedTypefaceMetrics unimplemented");
+    SkDEBUGFAIL("SkFontHost::GetAdvancedTypefaceMetrics unimplemented");
     return NULL;
 }
 
@@ -257,6 +257,6 @@
 }
 
 SkScalerContext* SkFontHost::CreateScalerContext(const SkDescriptor* desc) {
-    SkASSERT(!"SkFontHost::CreateScalarContext unimplemented");
+    SkDEBUGFAIL("SkFontHost::CreateScalarContext unimplemented");
     return NULL;
 }
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