Escaping file names correctly. Also fixed a crush in chromeos debug build while saving a web page.

chrome/browser/sync/engine/net/url_translator.cc

 // Copyright (c) 2010 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.
 //
 // Contains the definition of a few helper functions used for generating sync
 // URLs.
 
 #include "chrome/browser/sync/engine/net/url_translator.h"
 
 #include "base/basictypes.h"
 #include "base/port.h"
 #include "net/base/escape.h"
 
 using std::string;
 
 namespace browser_sync {
 
 namespace {
 // Parameters that the server understands. (here, a-Z)
 const char kParameterAuthToken[] = "auth";
 const char kParameterClientID[] = "client_id";
 }
 
 // Convenience wrappers around CgiEscapePath().
 string CgiEscapeString(const char* src) {
   return CgiEscapeString(string(src));
 }
 
 string CgiEscapeString(const string& src) {
-  return EscapeUrlEncodedData(src);
+  return EscapeUrlEncodedData(src, true);
 }
 
 // This method appends the query string to the sync server path.
 string MakeSyncServerPath(const string& path, const string& query_string) {
   string result = path;
   result.append("?");
   result.append(query_string);
   return result;
 }
 
 string MakeSyncQueryString(const string& client_id) {
   string query;
   query += kParameterClientID;
   query += "=" + CgiEscapeString(client_id);
   return query;
 }
 
 }  // namespace browser_sync