Add ToString method for easy DLOG and debug support

chrome/common/custom_handlers/protocol_handler.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/common/custom_handlers/protocol_handler.h"
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/escape.h"
 
+
 ProtocolHandler::ProtocolHandler(const std::string& protocol,
                                  const GURL& url,
                                  const string16& title)
     : protocol_(protocol),
       url_(url),
       title_(title) {
 }
 
 ProtocolHandler ProtocolHandler::CreateProtocolHandler(
     const std::string& protocol,
@@ skipping 42 matching lines @@
 }
 
 DictionaryValue* ProtocolHandler::Encode() const {
   DictionaryValue* d = new DictionaryValue();
   d->Set("protocol", Value::CreateStringValue(protocol_));
   d->Set("url", Value::CreateStringValue(url_.spec()));
   d->Set("title", Value::CreateStringValue(title_));
   return d;
 }
 
+#if !defined(NDEBUG)
+std::string ProtocolHandler::ToString() const {
+  return "{ protocol=" + protocol_ +
+         ", url=" + url_.spec() +
+         ", title=" + UTF16ToASCII(title_) +
+         " }";
+}
+#endif
+
 bool ProtocolHandler::operator==(const ProtocolHandler& other) const {
   return protocol_ == other.protocol_ &&
     url_ == other.url_ &&
     title_ == other.title_;
 }
 
 bool ProtocolHandler::IsEquivalent(const ProtocolHandler& other) const {
   return protocol_ == other.protocol_ && url_ == other.url_;
 }
 
 bool ProtocolHandler::operator<(const ProtocolHandler& other) const {
   return title_ < other.title_;
 }