Update some uses of char16 to use the base:: namespace.

ui/base/l10n/l10n_util_unittest.cc

 // Copyright (c) 2012 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 "build/build_config.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include <cstdlib>
 #endif
 
@@ skipping 314 matching lines @@
 void CheckUiDisplayNameForLocale(const std::string& locale,
                                  const std::string& display_locale,
                                  bool is_rtl) {
   EXPECT_EQ(true, base::i18n::IsRTL());
   base::string16 result = l10n_util::GetDisplayNameForLocale(locale,
                                                        display_locale,
                                                        /* is_for_ui */ true);
 
   bool rtl_direction = true;
   for (size_t i = 0; i < result.length() - 1; i++) {
-    char16 ch = result.at(i);
+    base::char16 ch = result.at(i);
     switch (ch) {
     case base::i18n::kLeftToRightMark:
     case base::i18n::kLeftToRightEmbeddingMark:
       rtl_direction = false;
       break;
     case base::i18n::kRightToLeftMark:
     case base::i18n::kRightToLeftEmbeddingMark:
       rtl_direction = true;
       break;
     case '(':
@@ skipping 35 matching lines @@
   base::i18n::SetICUDefaultLocale("he");
   CheckUiDisplayNameForLocale("en-US", "en", false);
   CheckUiDisplayNameForLocale("en-US", "he", true);
 
   // Clean up.
   base::i18n::SetICUDefaultLocale(original_locale);
 #endif
 
   // ToUpper and ToLower should work with embedded NULLs.
   const size_t length_with_null = 4;
-  char16 buf_with_null[length_with_null] = { 0, 'a', 0, 'b' };
+  base::char16 buf_with_null[length_with_null] = { 0, 'a', 0, 'b' };
   base::string16 string16_with_null(buf_with_null, length_with_null);
 
   base::string16 upper_with_null = base::i18n::ToUpper(string16_with_null);
   ASSERT_EQ(length_with_null, upper_with_null.size());
   EXPECT_TRUE(upper_with_null[0] == 0 && upper_with_null[1] == 'A' &&
               upper_with_null[2] == 0 && upper_with_null[3] == 'B');
 
   base::string16 lower_with_null = base::i18n::ToLower(upper_with_null);
   ASSERT_EQ(length_with_null, upper_with_null.size());
   EXPECT_TRUE(lower_with_null[0] == 0 && lower_with_null[1] == 'a' &&
@@ skipping 69 matching lines @@
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("Latin"));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("German"));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("pt--BR"));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("sl-macedonia"));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("@"));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@"));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@x"));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@x="));
   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@=y"));
 }