Move Pickle to base namespace.

net/base/io_buffer.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 NET_BASE_IO_BUFFER_H_
 #define NET_BASE_IO_BUFFER_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 207 matching lines @@
   int capacity_;
   int offset_;
 };
 
 // This versions allows a pickle to be used as the storage for a write-style
 // operation, avoiding an extra data copy.
 class NET_EXPORT PickledIOBuffer : public IOBuffer {
  public:
   PickledIOBuffer();
 
-  Pickle* pickle() { return &pickle_; }
+  base::Pickle* pickle() { return &pickle_; }
 
   // Signals that we are done writing to the pickle and we can use it for a
   // write-style IO operation.
   void Done();
 
  private:
   ~PickledIOBuffer() override;
 
-  Pickle pickle_;
+  base::Pickle pickle_;
 };
 
 // This class allows the creation of a temporary IOBuffer that doesn't really
 // own the underlying buffer. Please use this class only as a last resort.
 // A good example is the buffer for a synchronous operation, where we can be
 // sure that nobody is keeping an extra reference to this object so the lifetime
 // of the buffer can be completely managed by its intended owner.
 class NET_EXPORT WrappedIOBuffer : public IOBuffer {
  public:
   explicit WrappedIOBuffer(const char* data);
 
  protected:
   ~WrappedIOBuffer() override;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_IO_BUFFER_H_