Remove all //blimp code.

blimp/common/blob_cache/in_memory_blob_cache.h

-// 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_IN_MEMORY_BLOB_CACHE_H_
-#define BLIMP_COMMON_BLOB_CACHE_IN_MEMORY_BLOB_CACHE_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "blimp/common/blimp_common_export.h"
-#include "blimp/common/blob_cache/blob_cache.h"
-
-namespace blimp {
-
-// InMemoryBlobCache provides an in-memory implementation of BlobCache that
-// never evicts items.
-class BLIMP_COMMON_EXPORT InMemoryBlobCache : public BlobCache {
- public:
-  InMemoryBlobCache();
-  ~InMemoryBlobCache() override;
-
-  // BlobCache implementation.
-  std::vector<BlobId> GetCachedBlobIds() const override;
-  bool Contains(const BlobId& id) const override;
-  void Put(const BlobId& id, BlobDataPtr data) override;
-  BlobDataPtr Get(const BlobId& id) const override;
-
- private:
-  std::map<const BlobId, BlobDataPtr> cache_;
-
-  DISALLOW_COPY_AND_ASSIGN(InMemoryBlobCache);
-};
-
-}  // namespace blimp
-
-#endif  // BLIMP_COMMON_BLOB_CACHE_IN_MEMORY_BLOB_CACHE_H_