GURL::Replacements methods accept a StringPiece instead of std::string&.

url/url_canon_stdstring.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef URL_URL_CANON_STDSTRING_H_
 #define URL_URL_CANON_STDSTRING_H_
 
 // This header file defines a canonicalizer output method class for STL
 // strings. Because the canonicalizer tries not to be dependent on the STL,
 // we have segregated it here.
 
 #include <string>
 
 #include "base/compiler_specific.h"
+#include "base/strings/string_piece.h"
 #include "url/url_canon.h"
 #include "url/url_export.h"
 
 namespace url {
 
 // Write into a std::string given in the constructor. This object does not own
 // the string itself, and the user must ensure that the string stays alive
 // throughout the lifetime of this object.
 //
 // The given string will be appended to; any existing data in the string will
@@ skipping 16 matching lines @@
   // Must be called after writing has completed but before the string is used.
   void Complete();
 
   void Resize(int sz) override;
 
  protected:
   std::string* str_;
 };
 
 // An extension of the Replacements class that allows the setters to use
-// standard strings.
+// StringPieces (implicitly allowing strings or char*s).
 //
-// The strings passed as arguments are not copied and must remain valid until
-// this class goes out of scope.
+// The contents of the StringPieces are not copied and must remain valid until
+// the StringPieceReplacements object goes out of scope.
 template<typename STR>
-class StdStringReplacements : public Replacements<typename STR::value_type> {
+class StringPieceReplacements : public Replacements<typename STR::value_type> {
  public:
-  void SetSchemeStr(const STR& s) {
+  void SetSchemeStr(const base::BasicStringPiece<STR>& s) {
     this->SetScheme(s.data(), Component(0, static_cast<int>(s.length())));
   }
-  void SetUsernameStr(const STR& s) {
+  void SetUsernameStr(const base::BasicStringPiece<STR>& s) {
     this->SetUsername(s.data(), Component(0, static_cast<int>(s.length())));
   }
-  void SetPasswordStr(const STR& s) {
+  void SetPasswordStr(const base::BasicStringPiece<STR>& s) {
     this->SetPassword(s.data(), Component(0, static_cast<int>(s.length())));
   }
-  void SetHostStr(const STR& s) {
+  void SetHostStr(const base::BasicStringPiece<STR>& s) {
     this->SetHost(s.data(), Component(0, static_cast<int>(s.length())));
   }
-  void SetPortStr(const STR& s) {
+  void SetPortStr(const base::BasicStringPiece<STR>& s) {
     this->SetPort(s.data(), Component(0, static_cast<int>(s.length())));
   }
-  void SetPathStr(const STR& s) {
+  void SetPathStr(const base::BasicStringPiece<STR>& s) {
     this->SetPath(s.data(), Component(0, static_cast<int>(s.length())));
   }
-  void SetQueryStr(const STR& s) {
+  void SetQueryStr(const base::BasicStringPiece<STR>& s) {
     this->SetQuery(s.data(), Component(0, static_cast<int>(s.length())));
   }
-  void SetRefStr(const STR& s) {
+  void SetRefStr(const base::BasicStringPiece<STR>& s) {
     this->SetRef(s.data(), Component(0, static_cast<int>(s.length())));
   }
 };
 
 }  // namespace url
 
 #endif  // URL_URL_CANON_STDSTRING_H_