base: Move SplitStringDontTrim functions from string_util.h 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 68f3d914ee6f3794055fbdb96bbf35ccc94d7c24..ba9108bb8cbb2035d4db43fef87d476620914ccc 100644
--- a/base/string_util.cc
+++ b/base/string_util.cc
@@ -757,6 +757,8 @@ void ReplaceSubstringsAfterOffset(std::string* str,
                                  true);  // replace all instances
 }
 
+// TODO(tfarina): Remove this when finish moving SplitString functions to
+// string_split.[cc/h].
 template<typename STR>
 static void SplitStringT(const STR& str,
                          const typename STR::value_type s,
@@ -801,26 +803,6 @@ void SplitString(const std::string& str,
   SplitStringT(str, s, true, r);
 }
 
-void SplitStringDontTrim(const std::wstring& str,
-                         wchar_t s,
-                         std::vector<std::wstring>* r) {
-  SplitStringT(str, s, false, r);
-}
-
-#if !defined(WCHAR_T_IS_UTF16)
-void SplitStringDontTrim(const string16& str,
-                         char16 s,
-                         std::vector<string16>* r) {
-  SplitStringT(str, s, false, r);
-}
-#endif
-
-void SplitStringDontTrim(const std::string& str,
-                         char s,
-                         std::vector<std::string>* r) {
-  SplitStringT(str, s, false, r);
-}
-
 template<typename STR>
 static size_t TokenizeT(const STR& str,
                         const STR& delimiters,