[Sync] Simplify GetSessionName interface

chrome/browser/sync/util/get_session_name_task_mac.mm

Index: chrome/browser/sync/util/get_session_name_task_mac.mm
diff --git a/chrome/browser/sync/util/get_session_name_task_mac.mm b/chrome/browser/sync/util/get_session_name_task_mac.mm
deleted file mode 100644
index 76f115abeb4f0e3188b746f3690d0932db2213ed..0000000000000000000000000000000000000000
--- a/chrome/browser/sync/util/get_session_name_task_mac.mm
+++ /dev/null
@@ -1,50 +0,0 @@
-// 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.
-
-#include "chrome/browser/sync/util/get_session_name_task.h"
-
-#import <Foundation/Foundation.h>
-#import <SystemConfiguration/SCDynamicStoreCopySpecific.h>
-#include <sys/sysctl.h>  // sysctlbyname()
-
-#include "base/mac/foundation_util.h"
-#include "base/mac/mac_util.h"
-#include "base/memory/scoped_nsobject.h"
-#include "base/string_util.h"
-#include "base/sys_info.h"
-#include "base/sys_string_conversions.h"
-
-@interface NSHost(SnowLeopardAPI)
-- (NSString*)localizedName;
-@end
-
-namespace browser_sync {
-
-// static
-std::string GetSessionNameTask::GetHardwareModelName() {
-  NSHost* myHost = [NSHost currentHost];
-  if ([myHost respondsToSelector:@selector(localizedName)])
-    return base::SysNSStringToUTF8([myHost localizedName]);
-
-  // Fallback for 10.5
-  scoped_nsobject<NSString> computerName(base::mac::CFToNSCast(
-      SCDynamicStoreCopyComputerName(NULL, NULL)));
-  if (computerName.get() != NULL)
-    return base::SysNSStringToUTF8(computerName.get());
-
-  // If all else fails, return to using a slightly nicer version of the
-  // hardware model.
-  char modelBuffer[256];
-  size_t length = sizeof(modelBuffer);
-  if (!sysctlbyname("hw.model", modelBuffer, &length, NULL, 0)) {
-    for (size_t i = 0; i < length; i++) {
-      if (IsAsciiDigit(modelBuffer[i]))
-        return std::string(modelBuffer, 0, i);
-    }
-    return std::string(modelBuffer, 0, length);
-  }
-  return "Unknown";
-}
-
-}  // namespace browser_sync