Remove all //blimp code.

blimp/common/blob_cache/id_util.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_ID_UTIL_H_
-#define BLIMP_COMMON_BLOB_CACHE_ID_UTIL_H_
-
-#include <string>
-#include <vector>
-
-#include "blimp/common/blimp_common_export.h"
-#include "blimp/common/blob_cache/blob_cache.h"
-
-namespace blimp {
-
-// Returns a unique Id for the Blob, based on its content. All BlobIds have
-// the same length.
-BLIMP_COMMON_EXPORT const BlobId CalculateBlobId(const void* data,
-                                                 size_t data_size);
-BLIMP_COMMON_EXPORT const BlobId CalculateBlobId(const std::string& data);
-
-// Returns a hexadecimal string representation of a BlobId. The input must
-// be a valid BlobId.
-BLIMP_COMMON_EXPORT const std::string BlobIdToString(const BlobId& id);
-
-// Returns whether the BlobId is valid.
-BLIMP_COMMON_EXPORT bool IsValidBlobId(const BlobId& id);
-
-}  // namespace blimp
-
-#endif  // BLIMP_COMMON_BLOB_CACHE_ID_UTIL_H_