Replace ASSERT with DCHECK in platform/

third_party/WebKit/Source/platform/Language.cpp

 /*
  * Copyright (C) 2010, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
   // Platform::defaultLocale() might provide a language code with '_'.
   copied_code.Replace('_', '-');
   return copied_code;
 }
 
 static const AtomicString& PlatformLanguage() {
   DEFINE_STATIC_LOCAL(AtomicString, computed_default_language, ());
   if (computed_default_language.IsEmpty()) {
     computed_default_language = AtomicString(
         CanonicalizeLanguageIdentifier(Platform::Current()->DefaultLocale()));
-    ASSERT(!computed_default_language.IsEmpty());
+    DCHECK(!computed_default_language.IsEmpty());
   }
   return computed_default_language;
 }
 
 static Vector<AtomicString>& PreferredLanguagesOverride() {
   DEFINE_STATIC_LOCAL(Vector<AtomicString>, override, ());
   return override;
 }
 
 void OverrideUserPreferredLanguages(const Vector<AtomicString>& override) {
@@ skipping 65 matching lines @@
   if (language_without_locale_match.length())
     return language_without_locale_match_index;
 
   if (language_match_but_not_locale.length())
     return language_match_but_not_locale_match_index;
 
   return language_list.size();
 }
 
 }  // namespace blink