Change most uses of Pickle to base::Pickle

extensions/common/permissions/api_permission_set_unittest.cc

 // Copyright 2013 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 "base/pickle.h"
 #include "base/values.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/permissions/api_permission_set.h"
 #include "extensions/common/permissions/permissions_info.h"
 #include "ipc/ipc_message.h"
@@ skipping 262 matching lines @@
     value->Append(new base::StringValue("udp-bind::8080"));
     value->Append(new base::StringValue("udp-send-to::8888"));
     ASSERT_TRUE(permission->FromValue(value.get(), NULL, NULL));
   }
   apis.insert(permission);
 
   EXPECT_NE(apis, expected_apis);
 
   IPC::Message m;
   WriteParam(&m, apis);
-  PickleIterator iter(m);
+  base::PickleIterator iter(m);
   CHECK(ReadParam(&m, &iter, &expected_apis));
   EXPECT_EQ(apis, expected_apis);
 }
 
 }  // namespace extensions