Remove all blimp network code.

blimp/net/blimp_stats.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_NET_BLIMP_STATS_H_
-#define BLIMP_NET_BLIMP_STATS_H_
-
-#include <memory>
-#include <vector>
-
-#include "base/atomicops.h"
-#include "base/lazy_instance.h"
-#include "base/macros.h"
-#include "blimp/net/blimp_net_export.h"
-
-namespace blimp {
-
-// Maintains counters for completed commits, network bytes sent and
-// network bytes received. Counters increase monotonically over the
-// lifetime of the process.
-// Class is thread-safe. Individual metrics may be safely modified or retrieved
-// concurrently.
-class BLIMP_NET_EXPORT BlimpStats {
- public:
-  enum EventType {
-    BYTES_SENT,
-    BYTES_RECEIVED,
-    COMMIT,
-    EVENT_TYPE_MAX = COMMIT,
-  };
-
-  static BlimpStats* GetInstance();
-
-  // Increments the metric |type| by |amount|. |amount| must be a positive
-  // value.
-  void Add(EventType type, base::subtle::Atomic32 amount);
-
-  // Returns value for the metric |type|.
-  base::subtle::Atomic32 Get(EventType type) const;
-
- private:
-  friend struct base::DefaultLazyInstanceTraits<BlimpStats>;
-
-  static base::LazyInstance<BlimpStats> instance_;
-
-  BlimpStats();
-  ~BlimpStats();
-
-  // Values must be read or modified using base::subtle::NoBarrier* functions.
-  // We are using the NoBarrier* functions because we value performance over
-  // accuracy of the data.
-  base::subtle::Atomic32 values_[EVENT_TYPE_MAX + 1];
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpStats);
-};
-
-}  // namespace blimp
-
-#endif  // BLIMP_NET_BLIMP_STATS_H_