net: Add NET_API to net/base

net/base/backoff_entry.h

 // Copyright (c) 2011 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 NET_BASE_BACKOFF_ITEM_H_
 #define NET_BASE_BACKOFF_ITEM_H_
 #pragma once
 
 #include "base/threading/non_thread_safe.h"
 #include "base/time.h"
+#include "net/base/net_api.h"
 
 namespace net {
 
 // Provides the core logic needed for randomized exponential back-off
 // on requests to a given resource, given a back-off policy.
 //
 // This utility class knows nothing about network specifics; it is
 // intended for reuse in various networking scenarios.
-class BackoffEntry : public base::NonThreadSafe {
+MSVC_SUPPRESS_WARNING(4275)
+class NET_TEST BackoffEntry : public base::NonThreadSafe {
  public:
   // The set of parameters that define a back-off policy.
   struct Policy {
     // Number of initial errors (in sequence) to ignore before applying
     // exponential back-off rules.
     int num_errors_to_ignore;
 
     // Initial delay for exponential back-off.
     int initial_backoff_ms;
 
@@ skipping 55 matching lines @@
   int failure_count_;
 
   const Policy* const policy_;
 
   DISALLOW_COPY_AND_ASSIGN(BackoffEntry);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_BACKOFF_ITEM_H_