base: Move StringSplitAlongWhitespace to string_split.h

base/string_util.cc

Index: base/string_util.cc
diff --git a/base/string_util.cc b/base/string_util.cc
index 125c713be67ce0194c767e830f3a5cd863a42b05..d7b67299073d5ff67913b02400f0f9eb62528350 100644
--- a/base/string_util.cc
+++ b/base/string_util.cc
@@ -822,63 +822,6 @@ string16 JoinString(const std::vector<string16>& parts, char16 sep) {
   return JoinStringT(parts, sep);
 }
 
-template<typename STR>
-void SplitStringAlongWhitespaceT(const STR& str, std::vector<STR>* result) {
-  const size_t length = str.length();
-  if (!length)
-    return;
-
-  bool last_was_ws = false;
-  size_t last_non_ws_start = 0;
-  for (size_t i = 0; i < length; ++i) {
-    switch (str[i]) {
-      // HTML 5 defines whitespace as: space, tab, LF, line tab, FF, or CR.
-      case L' ':
-      case L'\t':
-      case L'\xA':
-      case L'\xB':
-      case L'\xC':
-      case L'\xD':
-        if (!last_was_ws) {
-          if (i > 0) {
-            result->push_back(
-                str.substr(last_non_ws_start, i - last_non_ws_start));
-          }
-          last_was_ws = true;
-        }
-        break;
-
-      default:  // Not a space character.
-        if (last_was_ws) {
-          last_was_ws = false;
-          last_non_ws_start = i;
-        }
-        break;
-    }
-  }
-  if (!last_was_ws) {
-    result->push_back(
-        str.substr(last_non_ws_start, length - last_non_ws_start));
-  }
-}
-
-void SplitStringAlongWhitespace(const std::wstring& str,
-                                std::vector<std::wstring>* result) {
-  SplitStringAlongWhitespaceT(str, result);
-}
-
-#if !defined(WCHAR_T_IS_UTF16)
-void SplitStringAlongWhitespace(const string16& str,
-                                std::vector<string16>* result) {
-  SplitStringAlongWhitespaceT(str, result);
-}
-#endif
-
-void SplitStringAlongWhitespace(const std::string& str,
-                                std::vector<std::string>* result) {
-  SplitStringAlongWhitespaceT(str, result);
-}
-
 template<class FormatStringType, class OutStringType>
 OutStringType DoReplaceStringPlaceholders(const FormatStringType& format_string,
     const std::vector<OutStringType>& subst, std::vector<size_t>* offsets) {