Move Pickle to base namespace.

chrome/common/safe_browsing/protobuf_message_param_traits.h

 // Copyright 2015 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 CHROME_COMMON_SAFE_BROWSING_PROTOBUF_MESSAGE_PARAM_TRAITS_H_
 #define CHROME_COMMON_SAFE_BROWSING_PROTOBUF_MESSAGE_PARAM_TRAITS_H_
 
 #include <string>
 
 #include "base/pickle.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_param_traits.h"
 #include "third_party/protobuf/src/google/protobuf/repeated_field.h"
 
 namespace IPC {
 
 template <class Element>
 struct ParamTraits<google::protobuf::RepeatedPtrField<Element>> {
   typedef google::protobuf::RepeatedPtrField<Element> param_type;
 
   static void Write(Message* m, const param_type& p) {
     WriteParam(m, p.size());
     for (const auto& element : p)
       WriteParam(m, element);
   }
 
-  static bool Read(const Message* m, PickleIterator* iter, param_type* p) {
+  static bool Read(const Message* m,
+                   base::PickleIterator* iter,
+                   param_type* p) {
     int size;
     if (!iter->ReadLength(&size) || size < 0)
       return false;
     if (INT_MAX / static_cast<int>(sizeof(void*)) <= size)
       return false;
     p->Clear();
     p->Reserve(size);
     while (size--) {
       if (!ReadParam(m, iter, p->Add()))
         return false;
     }
     return true;
   }
 
   static void Log(const param_type& p, std::string* l) {
     bool logged_first = false;
     for (const auto& element : p) {
       if (logged_first)
         l->push_back(' ');
       else
         logged_first = true;
       LogParam(element, l);
     }
   }
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_SAFE_BROWSING_PROTOBUF_MESSAGE_PARAM_TRAITS_H_