Update to Chromium //url at Chromium commit 79dc59ac7602413181079ecb463873e29a1d7d0a.

url_canon_icu.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // ICU integration functions.
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "base/lazy_instance.h"
@@ skipping 81 matching lines @@
 // It also closely matches what IE 10 does except for the BiDi check (
 // http://goo.gl/3XBhqw ).
 // See http://http://unicode.org/reports/tr46/ and references therein
 // for more details.
 struct UIDNAWrapper {
   UIDNAWrapper() {
     UErrorCode err = U_ZERO_ERROR;
     // TODO(jungshik): Change options as different parties (browsers,
     // registrars, search engines) converge toward a consensus.
     value = uidna_openUTS46(UIDNA_CHECK_BIDI, &err);
-    if (U_FAILURE(err))
+    if (U_FAILURE(err)) {
+      CHECK(false) << "failed to open UTS46 data with error: " << err;
       value = NULL;
+    }
   }
 
   UIDNA* value;
 };
 
 }  // namespace
 
 ICUCharsetConverter::ICUCharsetConverter(UConverter* converter)
     : converter_(converter) {
 }
@@ skipping 64 matching lines @@
     // if necessary.
     if (err != U_BUFFER_OVERFLOW_ERROR || info.errors != 0)
       return false;  // Unknown error, give up.
 
     // Not enough room in our buffer, expand.
     output->Resize(output_length);
   }
 }
 
 }  // namespace url