Move Pickle to base namespace.

components/sessions/serialized_navigation_entry.h

 // 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.
 
 #ifndef COMPONENTS_SESSIONS_SERIALIZED_NAVIGATION_ENTRY_H_
 #define COMPONENTS_SESSIONS_SERIALIZED_NAVIGATION_ENTRY_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "components/sessions/sessions_export.h"
 #include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
+namespace base {
 class Pickle;
 class PickleIterator;
+}
 
 namespace sync_pb {
 class TabNavigation;
 }
 
 namespace sessions {
 
 class SerializedNavigationEntryTestHelper;
 
 // The key used to store search terms data in the NavigationEntry.
@@ skipping 21 matching lines @@
   // protocol buffer.  Note that the sync protocol buffer doesn't contain all
   // SerializedNavigationEntry fields.  Also, the timestamp of the returned
   // SerializedNavigationEntry is nulled out, as we assume that the protocol
   // buffer is from a foreign session.
   static SerializedNavigationEntry FromSyncData(
       int index,
       const sync_pb::TabNavigation& sync_data);
 
   // Note that not all SerializedNavigationEntry fields are preserved.
   // |max_size| is the max number of bytes to write.
-  void WriteToPickle(int max_size, Pickle* pickle) const;
-  bool ReadFromPickle(PickleIterator* iterator);
+  void WriteToPickle(int max_size, base::Pickle* pickle) const;
+  bool ReadFromPickle(base::PickleIterator* iterator);
 
   // Convert this navigation into its sync protocol buffer equivalent.  Note
   // that the protocol buffer doesn't contain all SerializedNavigationEntry
   // fields.
   sync_pb::TabNavigation ToSyncData() const;
 
   // The index in the NavigationController. This SerializedNavigationEntry is
   // valid only when the index is non-negative.
   int index() const { return index_; }
   void set_index(int index) { index_ = index; }
@@ skipping 60 matching lines @@
   std::vector<GURL> redirect_chain_;  // Not persisted.
 
   // Additional information.
   BlockedState blocked_state_;
   std::set<std::string> content_pack_categories_;
 };
 
 }  // namespace sessions
 
 #endif  // COMPONENTS_SESSIONS_SERIALIZED_NAVIGATION_ENTRY_H_