Move hash.h/cc from net/disk_cache to base.

base/hash.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_DISK_CACHE_HASH_H__
-#define NET_DISK_CACHE_HASH_H__
+#ifndef BASE_HASH_H__

[rvargas (doing something else), 2012/08/31 23:06:08]

nit: only one trailing undercore

[jbates, 2012/08/31 23:10:41]

Done.

+#define BASE_HASH_H__
 
 #include <string>
 
+#include "base/base_export.h"
 #include "base/basictypes.h"
-#include "net/base/net_export.h"
 
-namespace disk_cache {
+namespace base {
 
 // From http://www.azillionmonkeys.com/qed/hash.html
 // This is the hash used on WebCore/platform/stringhash
-NET_EXPORT_PRIVATE uint32 SuperFastHash(const char * data, int len);
+BASE_EXPORT_PRIVATE uint32 SuperFastHash(const char * data, int len);

[rvargas (doing something else), 2012/08/31 23:06:08]

nit: Should not be private

[jbates, 2012/08/31 23:10:41]

Done.

 
 inline uint32 Hash(const char* key, size_t length) {
   return SuperFastHash(key, static_cast<int>(length));
 }
 
 inline uint32 Hash(const std::string& key) {
   if (key.empty())
     return 0;
   return SuperFastHash(key.data(), static_cast<int>(key.size()));
 }
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_HASH_H__