Use 'icu::' namespace explicitly

base/file_util_posix.cc

 // Copyright (c) 2006-2008 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.
 
 #include "base/file_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <fnmatch.h>
@@ skipping 22 matching lines @@
 #include "unicode/coll.h"
 
 namespace {
 
 class LocaleAwareComparator {
  public:
   LocaleAwareComparator() {
     UErrorCode error_code = U_ZERO_ERROR;
     // Use the default collator. The default locale should have been properly
     // set by the time this constructor is called.
-    collator_.reset(Collator::createInstance(error_code));
+    collator_.reset(icu::Collator::createInstance(error_code));
     DCHECK(U_SUCCESS(error_code));
     // Make it case-sensitive.
-    collator_->setStrength(Collator::TERTIARY);
+    collator_->setStrength(icu::Collator::TERTIARY);
     // Note: We do not set UCOL_NORMALIZATION_MODE attribute. In other words, we
     // do not pay performance penalty to guarantee sort order correctness for
     // non-FCD (http://unicode.org/notes/tn5/#FCD) file names. This should be a
     // reasonable tradeoff because such file names should be rare and the sort
     // order doesn't change much anyway.
   }
 
   // Note: A similar function is available in l10n_util.
   // We cannot use it because base should not depend on l10n_util.
   // TODO(yuzo): Move some of l10n_util to base.
   int Compare(const string16& a, const string16& b) {
     // We are not sure if Collator::compare is thread-safe.
     // Use an AutoLock just in case.
     AutoLock auto_lock(lock_);
 
     UErrorCode error_code = U_ZERO_ERROR;
     UCollationResult result = collator_->compare(
         static_cast<const UChar*>(a.c_str()),
         static_cast<int>(a.length()),
         static_cast<const UChar*>(b.c_str()),
         static_cast<int>(b.length()),
         error_code);
     DCHECK(U_SUCCESS(error_code));
     return result;
   }
 
  private:
-  scoped_ptr<Collator> collator_;
+  scoped_ptr<icu::Collator> collator_;
   Lock lock_;
   friend struct DefaultSingletonTraits<LocaleAwareComparator>;
 
   DISALLOW_COPY_AND_ASSIGN(LocaleAwareComparator);
 };
 
 }  // namespace
 
 namespace file_util {
 
@@ skipping 636 matching lines @@
     munmap(data_, length_);
   if (file_ != -1)
     close(file_);
 
   data_ = NULL;
   length_ = 0;
   file_ = -1;
 }
 
 } // namespace file_util