Blimp: Add BlobChannel Helium messages and delegate impls.

blimp/common/create_blimp_message.h

 // Copyright 2015 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 BLIMP_COMMON_CREATE_BLIMP_MESSAGE_H_
 #define BLIMP_COMMON_CREATE_BLIMP_MESSAGE_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "blimp/common/blimp_common_export.h"
 
 namespace blimp {
 
 class BlimpMessage;
+class BlobChannelMessage;
 class CompositorMessage;
 class EngineSettingsMessage;
 class ImeMessage;
 class InputMessage;
 class NavigationMessage;
 class RenderWidgetMessage;
 class SettingsMessage;
 class SizeMessage;
 class StartConnectionMessage;
 class TabControlMessage;
@@ skipping 31 matching lines @@
 BLIMP_COMMON_EXPORT std::unique_ptr<BlimpMessage> CreateBlimpMessage(
     RenderWidgetMessage** render_widget_message,
     int target_tab_id);
 
 BLIMP_COMMON_EXPORT std::unique_ptr<BlimpMessage> CreateBlimpMessage(
     SizeMessage** size_message);
 
 BLIMP_COMMON_EXPORT std::unique_ptr<BlimpMessage> CreateBlimpMessage(
     EngineSettingsMessage** engine_settings);
 
+BLIMP_COMMON_EXPORT std::unique_ptr<BlimpMessage> CreateBlimpMessage(
+    std::unique_ptr<BlobChannelMessage> blob_channel_message);
+
 BLIMP_COMMON_EXPORT std::unique_ptr<BlimpMessage> CreateStartConnectionMessage(
     const std::string& client_token,
     int protocol_version);
 
 BLIMP_COMMON_EXPORT std::unique_ptr<BlimpMessage> CreateCheckpointAckMessage(
     int64_t checkpoint_id);
 
 }  // namespace blimp
 
 #endif  // BLIMP_COMMON_CREATE_BLIMP_MESSAGE_H_