Change most uses of Pickle to base::Pickle

chrome/browser/extensions/api/automation_internal/automation_internal_api.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 "chrome/browser/extensions/api/automation_internal/automation_internal_api.h"
 
 #include <vector>
 
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 64 matching lines @@
   }
 
   ~QuerySelectorHandler() override {}
 
   bool OnMessageReceived(const IPC::Message& message) override {
     if (message.type() != ExtensionHostMsg_AutomationQuerySelector_Result::ID)
       return false;
 
     // There may be several requests in flight; check this response matches.
     int message_request_id = 0;
-    PickleIterator iter(message);
+    base::PickleIterator iter(message);
     if (!iter.ReadInt(&message_request_id))
       return false;
 
     if (message_request_id != request_id_)
       return false;
 
     IPC_BEGIN_MESSAGE_MAP(QuerySelectorHandler, message)
       IPC_MESSAGE_HANDLER(ExtensionHostMsg_AutomationQuerySelector_Result,
                           OnQueryResponse)
     IPC_END_MESSAGE_MAP()
@@ skipping 304 matching lines @@
     int result_acc_obj_id) {
   if (!error.empty()) {
     Respond(Error(error));
     return;
   }
 
   Respond(OneArgument(new base::FundamentalValue(result_acc_obj_id)));
 }
 
 }  // namespace extensions