replace COMPILE_ASSERT with static_assert in net/

net/disk_cache/blockfile/block_files.cc

 // Copyright (c) 2012 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.
 
 #include "net/disk_cache/blockfile/block_files.h"
 
 #include "base/atomicops.h"
 #include "base/files/file_path.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
@@ skipping 530 matching lines @@
   }
 
   FileLock lock(header);
   header->empty[3] = (new_size - header->max_entries) / 4;  // 4 blocks entries
   header->max_entries = new_size;
 
   return true;
 }
 
 MappedFile* BlockFiles::FileForNewBlock(FileType block_type, int block_count) {
-  COMPILE_ASSERT(RANKINGS == 1, invalid_file_type);
+  static_assert(RANKINGS == 1, "invalid file type");
   MappedFile* file = block_files_[block_type - 1];
   BlockHeader file_header(file);
 
   TimeTicks start = TimeTicks::Now();
   while (file_header.NeedToGrowBlockFile(block_count)) {
     if (kMaxBlocks == file_header.Header()->max_entries) {
       file = NextFile(file);
       if (!file)
         return NULL;
       file_header = BlockHeader(file);
@@ skipping 160 matching lines @@
 }
 
 base::FilePath BlockFiles::Name(int index) {
   // The file format allows for 256 files.
   DCHECK(index < 256 && index >= 0);
   std::string tmp = base::StringPrintf("%s%d", kBlockName, index);
   return path_.AppendASCII(tmp);
 }
 
 }  // namespace disk_cache