Move the blob related code to content, and also move the blob messages to the...

content/common/common_param_traits.h

 // Copyright (c) 2011 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.
 
 // This file is used to define IPC::ParamTraits<> specializations for a number
 // of types so that they can be serialized over IPC.  IPC::ParamTraits<>
 // specializations for basic types (like int and std::string) and types in the
 // 'base' project can be found in ipc/ipc_message_utils.h.  This file contains
 // specializations for types that are used by the content code, and which need
 // manual serialization code.  This is usually because they're not structs with
 // public members..
 
 #ifndef CONTENT_COMMON_COMMON_PARAM_TRAITS_H_
 #define CONTENT_COMMON_COMMON_PARAM_TRAITS_H_
 #pragma once
 
 #include "base/platform_file.h"
 #include "base/ref_counted.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_utils.h"
 #include "net/base/ip_endpoint.h"
 #include "net/url_request/url_request_status.h"
 // !!! WARNING: DO NOT ADD NEW WEBKIT DEPENDENCIES !!!
+
 //
 // That means don't add #includes to any file in 'webkit/' or
 // 'third_party/WebKit/'. Chrome Frame and NACL build parts of base/ and
 // content/common/ for a mini-library that doesn't depend on webkit.
 
 // TODO(erg): The following headers are historical and only work because
 // their definitions are inlined, which also needs to be fixed.
 #include "ui/gfx/native_widget_types.h"
+#include "webkit/blob/blob_data.h"
 #include "webkit/glue/resource_type.h"
 
 // Forward declarations.
 class GURL;
 
 namespace gfx {
 class Point;
 class Rect;
 class Size;
 }  // namespace gfx
@@ skipping 145 matching lines @@
       NOTREACHED();
     }
     return result;
 #endif
   }
   static void Log(const param_type& p, std::string* l) {
     l->append("<gfx::NativeWindow>");
   }
 };
 
+template <>
+struct ParamTraits<scoped_refptr<webkit_blob::BlobData > > {
+  typedef scoped_refptr<webkit_blob::BlobData> param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
 }  // namespace IPC
 
 #endif  // CONTENT_COMMON_COMMON_PARAM_TRAITS_H_