replace COMPILE_ASSERT with static_assert in net/

net/disk_cache/simple/simple_index.h

 // Copyright (c) 2013 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_DISK_CACHE_SIMPLE_SIMPLE_INDEX_H_
 #define NET_DISK_CACHE_SIMPLE_SIMPLE_INDEX_H_
 
 #include <list>
 #include <vector>
 
@@ skipping 51 matching lines @@
  private:
   friend class SimpleIndexFileTest;
 
   // There are tens of thousands of instances of EntryMetadata in memory, so the
   // size of each entry matters.  Even when the values used to set these members
   // are originally calculated as >32-bit types, the actual necessary size for
   // each shouldn't exceed 32 bits, so we use 32-bit types here.
   uint32 last_used_time_seconds_since_epoch_;
   int32 entry_size_;  // Storage size in bytes.
 };
-COMPILE_ASSERT(sizeof(EntryMetadata) == 8, metadata_size);
+static_assert(sizeof(EntryMetadata) == 8, "incorrect metadata size");
 
 // This class is not Thread-safe.
 class NET_EXPORT_PRIVATE SimpleIndex
     : public base::SupportsWeakPtr<SimpleIndex> {
  public:
   typedef std::vector<uint64> HashList;
 
   SimpleIndex(const scoped_refptr<base::SingleThreadTaskRunner>& io_thread,
               SimpleIndexDelegate* delegate,
               net::CacheType cache_type,
@@ skipping 110 matching lines @@
 
   // Set to true when the app is on the background. When the app is in the
   // background we can write the index much more frequently, to insure fresh
   // index on next startup.
   bool app_on_background_;
 };
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_SIMPLE_SIMPLE_INDEX_H_