Blimp: Add BlobChannelSender implementation

blimp/common/blob_cache/mock_blob_cache.h

Index: blimp/common/blob_cache/mock_blob_cache.h
diff --git a/blimp/common/blob_cache/mock_blob_cache.h b/blimp/common/blob_cache/mock_blob_cache.h
new file mode 100644
index 0000000000000000000000000000000000000000..36a3104c0a0ff5d0bc6c9bfd21f27f53d48d8bb3
--- /dev/null
+++ b/blimp/common/blob_cache/mock_blob_cache.h
@@ -0,0 +1,25 @@
+// 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_COMMON_BLOB_CACHE_MOCK_BLOB_CACHE_H_
+#define BLIMP_COMMON_BLOB_CACHE_MOCK_BLOB_CACHE_H_
+
+#include "blimp/common/blob_cache/blob_cache.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace blimp {
+
+class MockBlobCache : public BlobCache {
+ public:
+  MockBlobCache();
+  ~MockBlobCache() override;
+
+  MOCK_CONST_METHOD1(Contains, bool(const BlobId&));
+  MOCK_METHOD2(Put, void(const BlobId&, BlobDataPtr));
+  MOCK_CONST_METHOD1(Get, BlobDataPtr(const BlobId&));
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_COMMON_BLOB_CACHE_MOCK_BLOB_CACHE_H_