Initial version of Blimp BlobCache.

blimp/common/blob_cache/infinite_blob_cache.h

Index: blimp/common/blob_cache/infinite_blob_cache.h
diff --git a/blimp/common/blob_cache/infinite_blob_cache.h b/blimp/common/blob_cache/infinite_blob_cache.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_COMMON_BLOB_CACHE_INFINITE_BLOB_CACHE_H_
+#define BLIMP_COMMON_BLOB_CACHE_INFINITE_BLOB_CACHE_H_
+
+#include <map>
+#include <string>
+#include <vector>

[Kevin M, 2016/04/14 20:08:30]

Necessary?

[nyquist, 2016/04/15 01:27:12]

Done.

+
+#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 {
+
+// InfiniteBlobCache provides an in-memory implementation of BlobCache that
+// never evicts items.
+class BLIMP_COMMON_EXPORT InfiniteBlobCache : public BlobCache {

[Kevin M, 2016/04/14 20:08:30]

InMemoryBlobCache (suggested by Wez because the name will still be correct when
the cache becomes finite.)

[nyquist, 2016/04/15 01:27:12]

Done.

+ public:
+  InfiniteBlobCache();
+  ~InfiniteBlobCache() override;
+
+  // BlobCache implementation.
+  bool Contains(const std::string& id) const override;
+  void Put(const std::string& id,
+           scoped_refptr<RefCountedVector> data) override;
+  scoped_refptr<RefCountedVector> Get(const std::string& id) const override;
+
+ private:
+  typedef std::map<std::string, scoped_refptr<RefCountedVector>> Cache;
+  Cache map_;
+
+  DISALLOW_COPY_AND_ASSIGN(InfiniteBlobCache);
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_COMMON_BLOB_CACHE_INFINITE_BLOB_CACHE_H_