Remove all blimp engine code

blimp/engine/renderer/blob_channel_sender_proxy.h

Index: blimp/engine/renderer/blob_channel_sender_proxy.h
diff --git a/blimp/engine/renderer/blob_channel_sender_proxy.h b/blimp/engine/renderer/blob_channel_sender_proxy.h
deleted file mode 100644
index 1ee09f7ac10f79d8d8df34ba2ddbc2cdd59b3b18..0000000000000000000000000000000000000000
--- a/blimp/engine/renderer/blob_channel_sender_proxy.h
+++ /dev/null
@@ -1,77 +0,0 @@
-// 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_ENGINE_RENDERER_BLOB_CHANNEL_SENDER_PROXY_H_
-#define BLIMP_ENGINE_RENDERER_BLOB_CHANNEL_SENDER_PROXY_H_
-
-#include <map>
-#include <memory>
-#include <string>
-#include <unordered_map>
-#include <vector>
-
-#include "base/containers/hash_tables.h"
-#include "base/memory/weak_ptr.h"
-#include "blimp/common/blimp_common_export.h"
-#include "blimp/engine/mojo/blob_channel.mojom.h"
-#include "blimp/net/blob_channel/blob_channel_sender.h"
-
-namespace blimp {
-namespace engine {
-
-// Class for sending blobs (e.g. images) from the renderer to the browser
-// process.
-class BLIMP_COMMON_EXPORT BlobChannelSenderProxy : public BlobChannelSender {
- public:
-  // Asynchronously request the set of cache keys from the browser process.
-  // Knowledge of the browser's cache allows the renderer to avoid re-encoding
-  // and re-transferring image assets that are already tracked by the
-  // browser-side cache.
-  //
-  // If |this| is used in the brief time before the response arrives,
-  // the object will continue to work, but false negatives will be returned
-  // for IsInEngineCache() and IsInClientCache().
-  BlobChannelSenderProxy();
-
-  ~BlobChannelSenderProxy() override;
-
-  static std::unique_ptr<BlobChannelSenderProxy> CreateForTest(
-      mojom::BlobChannelPtr blob_channel);
-
-  // Returns true if the blob is known to exist within the Engine cache.
-  bool IsInEngineCache(const std::string& id) const;
-
-  // Returns true if the blob has been delivered to the Client cache.
-  bool IsInClientCache(const std::string& id) const;
-
-  // BlobChannelSender implementation.
-  std::vector<CacheStateEntry> GetCachedBlobIds() const override;
-  void PutBlob(const BlobId& id, BlobDataPtr data) override;
-  void DeliverBlob(const BlobId& id) override;
-
- private:
-  void OnGetCacheStateComplete(
-      const std::unordered_map<std::string, bool>& cache_state);
-
-  // Testing constructor, used to supply a BlobChannel Mojo proxy directly.
-  explicit BlobChannelSenderProxy(mojom::BlobChannelPtr blob_channel);
-
-  // BlobChannel Mojo IPC stub, used for delivering blobs to the browser
-  // process.
-  mojom::BlobChannelPtr blob_channel_;
-
-  // Local copy of the cache state for the local and remote BlobChannel.
-  // Knowledge of the cache state enables callers to avoid unnecessary
-  // image encoding and transferral if the content is already in the system.
-  base::hash_map<std::string, bool> replication_state_;
-
-  base::WeakPtrFactory<BlobChannelSenderProxy> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlobChannelSenderProxy);
-};
-
-}  // namespace engine
-}  // namespace blimp
-
-#endif  // BLIMP_ENGINE_RENDERER_BLOB_CHANNEL_SENDER_PROXY_H_