New new versions of Starts/EndsWith and SplitString in net

base/strings/string_util.cc

Index: base/strings/string_util.cc
diff --git a/base/strings/string_util.cc b/base/strings/string_util.cc
index e3dcd8542fabcc263cf26f23014669097e9c3ba0..8d1d23848903a8f4e5f52a1286ef21a35aaa9960 100644
--- a/base/strings/string_util.cc
+++ b/base/strings/string_util.cc
@@ -307,12 +307,21 @@ TrimPositions TrimWhitespace(const string16& input,
   return TrimStringT(input, StringPiece16(kWhitespaceUTF16), positions, output);
 }
 
+StringPiece16 TrimWhitespaceASCII(StringPiece16 input,
+                                  TrimPositions positions) {
+  return TrimStringPieceT(input, StringPiece16(kWhitespaceUTF16), positions);
+}
+
 TrimPositions TrimWhitespaceASCII(const std::string& input,
                                   TrimPositions positions,
                                   std::string* output) {
   return TrimStringT(input, StringPiece(kWhitespaceASCII), positions, output);
 }
 
+StringPiece TrimWhitespaceASCII(StringPiece input, TrimPositions positions) {
+  return TrimStringPieceT(input, StringPiece(kWhitespaceASCII), positions);
+}
+
 // This function is only for backward-compatibility.
 // To be removed when all callers are updated.
 TrimPositions TrimWhitespace(const std::string& input,