Use shared memory for moving data over BlobChannel Mojo interface.

blimp/net/blob_channel/mock_blob_channel_sender.h

Index: blimp/net/blob_channel/mock_blob_channel_sender.h
diff --git a/blimp/net/blob_channel/mock_blob_channel_sender.h b/blimp/net/blob_channel/mock_blob_channel_sender.h
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+// Copyright 2016 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_NET_BLOB_CHANNEL_MOCK_BLOB_CHANNEL_SENDER_H_
+#define BLIMP_NET_BLOB_CHANNEL_MOCK_BLOB_CHANNEL_SENDER_H_
+
+#include <string>
+#include <vector>
+
+#include "blimp/net/blob_channel/blob_channel_sender.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace blimp {
+
+class BLIMP_NET_EXPORT MockBlobChannelSender : public BlobChannelSender {
+ public:
+  MockBlobChannelSender();
+  ~MockBlobChannelSender() override;
+
+  MOCK_METHOD2(PutBlob, void(const BlobId& id, BlobDataPtr data));
+  MOCK_METHOD1(DeliverBlob, void(const BlobId& id));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockBlobChannelSender);
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_NET_BLOB_CHANNEL_MOCK_BLOB_CHANNEL_SENDER_H_