Move Pickle to base namespace.

ppapi/proxy/serialized_handle.h

 // Copyright (c) 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 PPAPI_PROXY_SERIALIZED_HANDLES_H_
 #define PPAPI_PROXY_SERIALIZED_HANDLES_H_
 
 #include <string>
 #include <vector>
 
 #include "base/atomicops.h"
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/shared_memory.h"
 #include "build/build_config.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
 
+namespace base {
 class Pickle;
+}
 
 namespace ppapi {
 namespace proxy {
 
 // SerializedHandle is a unified structure for holding a handle (e.g., a shared
 // memory handle, socket descriptor, etc). This is useful for passing handles in
 // resource messages and also makes it easier to translate handles in
 // NaClIPCAdapter for use in NaCl.
 class PPAPI_PROXY_EXPORT SerializedHandle {
  public:
@@ skipping 90 matching lines @@
   Header header() const {
     return Header(type_, size_, open_flags_, file_io_);
   }
 
   // Closes the handle and sets it to invalid.
   void Close();
 
   // Write/Read a Header, which contains all the data except the handle. This
   // allows us to write the handle in a platform-specific way, as is necessary
   // in NaClIPCAdapter to share handles with NaCl from Windows.
-  static bool WriteHeader(const Header& hdr, Pickle* pickle);
-  static bool ReadHeader(PickleIterator* iter, Header* hdr);
+  static bool WriteHeader(const Header& hdr, base::Pickle* pickle);
+  static bool ReadHeader(base::PickleIterator* iter, Header* hdr);
 
  private:
   // The kind of handle we're holding.
   Type type_;
 
   // We hold more members than we really need; we can't easily use a union,
   // because we hold non-POD types. But these types are pretty light-weight. If
   // we add more complex things later, we should come up with a more memory-
   // efficient strategy.
   // These are valid if type == SHARED_MEMORY.
   base::SharedMemoryHandle shm_handle_;
   uint32 size_;
 
   // This is valid if type == SOCKET || type == FILE.
   IPC::PlatformFileForTransit descriptor_;
 
   // The following fields are valid if type == FILE.
   int32 open_flags_;
   // This is non-zero if file writes require quota checking.
   PP_Resource file_io_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_SERIALIZED_HANDLES_H_