Move TrimWhitespaceUTF8 from string_util_icu to string_util.

It does not directly use ICU, so this is its proper home.

Review URL: http://codereview.chromium.org/155415


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20492 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 14 insertions, 0 deletions

diff --git a/base/string_util.cc b/base/string_util.cc
index 2699f26..dcc6c30 100644
--- a/base/string_util.cc
+++ b/base/string_util.cc
@@ -1656,3 +1656,17 @@ std::string HexEncode(const void* bytes, size_t size) {
   }
   return ret;
 }
+
+TrimPositions TrimWhitespaceUTF8(const std::string& input,
+                                 TrimPositions positions,
+                                 std::string* output) {
+  // This implementation is not so fast since it converts the text encoding
+  // twice. Please feel free to file a bug if this function hurts the
+  // performance of Chrome.
+  DCHECK(IsStringUTF8(input));
+  std::wstring input_wide = UTF8ToWide(input);
+  std::wstring output_wide;
+  TrimPositions result = TrimWhitespace(input_wide, positions, &output_wide);
+  *output = WideToUTF8(output_wide);
+  return result;
+}