Move Pickle to base namespace.

ipc/param_traits_macros.h

 // Copyright (c) 2012 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 IPC_PARAM_TRAITS_MACROS_H_
 #define IPC_PARAM_TRAITS_MACROS_H_
 
 #include <string>
 
 // Traits generation for structs.
 #define IPC_STRUCT_TRAITS_BEGIN(struct_name) \
   namespace IPC { \
     template <> \
     struct IPC_MESSAGE_EXPORT ParamTraits<struct_name> { \
       typedef struct_name param_type; \
       static void Write(Message* m, const param_type& p); \
-      static bool Read(const Message* m, PickleIterator* iter, param_type* p); \
+      static bool Read(const Message* m, base::PickleIterator* iter, \
+                       param_type* p); \
       static void Log(const param_type& p, std::string* l); \
     }; \
   }
 
 #define IPC_STRUCT_TRAITS_MEMBER(name)
 #define IPC_STRUCT_TRAITS_PARENT(type)
 #define IPC_STRUCT_TRAITS_END()
 
 // Convenience macro for defining enumerated type traits for types which are
 // not range-checked by the IPC system. The author of the message handlers
@@ skipping 17 matching lines @@
       type, (static_cast<int>(value) >= static_cast<int>(minvalue) && \
              static_cast<int>(value) <= static_cast<int>(maxvalue)))
 
 // Traits generation for enums. This macro may be redefined later.
 #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \
   namespace IPC { \
     template <> \
     struct IPC_MESSAGE_EXPORT ParamTraits<enum_name> { \
       typedef enum_name param_type; \
       static void Write(Message* m, const param_type& p); \
-      static bool Read(const Message* m, PickleIterator* iter, param_type* p); \
+      static bool Read(const Message* m, base::PickleIterator* iter, \
+                       param_type* p); \
       static void Log(const param_type& p, std::string* l); \
     }; \
   }
 
 #endif  // IPC_PARAM_TRAITS_MACROS_H_