Change most uses of Pickle to base::Pickle

components/network_hints/common/network_hints_messages.cc

 // Copyright 2014 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 "components/network_hints/common/network_hints_messages.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "components/network_hints/common/network_hints_common.h"
 
 namespace IPC {
 
 void ParamTraits<network_hints::LookupRequest>::Write(
     Message* m, const network_hints::LookupRequest& request) {
   IPC::WriteParam(m, request.hostname_list);
 }
 
 bool ParamTraits<network_hints::LookupRequest>::Read(
     const Message* m,
-    PickleIterator* iter,
+    base::PickleIterator* iter,
     network_hints::LookupRequest* request) {
   // Verify the hostname limits after deserialization success.
   if (IPC::ReadParam(m, iter, &request->hostname_list)) {
     network_hints::NameList& hostnames = request->hostname_list;
     if (hostnames.size() > network_hints::kMaxDnsHostnamesPerRequest)
       return false;
 
     for (const auto& hostname : hostnames) {
       if (hostname.length() > network_hints::kMaxDnsHostnameLength)
         return false;
     }
   }
   return true;
 }
 
 void ParamTraits<network_hints::LookupRequest>::Log(
     const network_hints::LookupRequest& p, std::string* l) {
   l->append("<network_hints::LookupRequest: ");
   l->append(base::SizeTToString(p.hostname_list.size()));
   l->append(" hostnames>");
 }
 
 }  // namespace IPC