wstring: remove WideToUpper/WideToLower

Also fix two instances of passing a single-char array to a function
that expects a string (we must NUL-terminate the array).

BUG=23581

Review URL: http://codereview.chromium.org/7000005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@84855 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 0 insertions, 23 deletions

diff --git a/base/i18n/case_conversion.cc b/base/i18n/case_conversion.cc
index 2dedade..2762505 100644
--- a/base/i18n/case_conversion.cc
+++ b/base/i18n/case_conversion.cc
@@ -16,19 +16,11 @@ string16 ToLower(const string16& string) {
   return string16(unicode_string.getBuffer(), unicode_string.length());
 }
 
-std::wstring WideToLower(const std::wstring& string) {
-  return UTF16ToWide(ToLower(WideToUTF16(string)));
-}
-
 string16 ToUpper(const string16& string) {
   icu::UnicodeString unicode_string(string.c_str(), string.size());
   unicode_string.toUpper();
   return string16(unicode_string.getBuffer(), unicode_string.length());
 }
 
-std::wstring WideToUpper(const std::wstring& string) {
-  return UTF16ToWide(ToUpper(WideToUTF16(string)));
-}
-
 }  // namespace i18n
 }  // namespace base
diff --git a/base/i18n/case_conversion.h b/base/i18n/case_conversion.h
index d834ede..cb62da1 100644
--- a/base/i18n/case_conversion.h
+++ b/base/i18n/case_conversion.h
@@ -15,11 +15,9 @@ namespace i18n {
 
 // Returns the lower case equivalent of string. Uses ICU's default locale.
 string16 ToLower(const string16& string);
-std::wstring WideToLower(const std::wstring& string);
 
 // Returns the upper case equivalent of string. Uses ICU's default locale.
 string16 ToUpper(const string16& string);
-std::wstring WideToUpper(const std::wstring& string);
 
 }  // namespace i18n
 }  // namespace base
diff --git a/base/i18n/case_conversion_unittest.cc b/base/i18n/case_conversion_unittest.cc
index 87a349e..63900ec 100644
--- a/base/i18n/case_conversion_unittest.cc
+++ b/base/i18n/case_conversion_unittest.cc
@@ -21,19 +21,6 @@ TEST(CaseConversionTest, UpperLower) {
   EXPECT_EQ(expected_upper, result);
 }
 
-// Test upper and lower case string conversion.
-TEST(CaseConversionTest, WideUpperLower) {
-  std::wstring mixed(L"Text with UPPer & lowER casE.");
-  const std::wstring expected_lower(L"text with upper & lower case.");
-  const std::wstring expected_upper(L"TEXT WITH UPPER & LOWER CASE.");
-
-  std::wstring result = base::i18n::WideToLower(mixed);
-  EXPECT_EQ(expected_lower, result);
-
-  result = base::i18n::WideToUpper(mixed);
-  EXPECT_EQ(expected_upper, result);
-}
-
 // TODO(jshin): More tests are needed, especially with non-ASCII characters.
 
 }  // namespace