Blimp: Add BlobChannelSender implementation

blimp/net/blob_channel/mock_blob_channel_bindings.h

Index: blimp/net/blob_channel/mock_blob_channel_bindings.h
diff --git a/blimp/net/blob_channel/mock_blob_channel_bindings.h b/blimp/net/blob_channel/mock_blob_channel_bindings.h
new file mode 100644
index 0000000000000000000000000000000000000000..443748044de9cc7adb2568f6b4295a9e65898754
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+++ b/blimp/net/blob_channel/mock_blob_channel_bindings.h
@@ -0,0 +1,26 @@
+// 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_BINDINGS_H_
+#define BLIMP_NET_BLOB_CHANNEL_MOCK_BLOB_CHANNEL_BINDINGS_H_
+
+#include <string>
+#include <vector>
+
+#include "blimp/net/blob_channel/blob_channel_bindings.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace blimp {
+
+class MockBlobSenderBindings : public BlobSenderBindings {
+ public:
+  MockBlobSenderBindings();
+  ~MockBlobSenderBindings();
+
+  MOCK_METHOD2(Send, void(const std::string&, const std::vector<uint8_t>&));
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_NET_BLOB_CHANNEL_MOCK_BLOB_CHANNEL_BINDINGS_H_