Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/browser/.

chrome/browser/extensions/extension_protocols_unittest.cc

 // Copyright 2014 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 <string>
 
 #include "base/files/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 154 matching lines @@
     // Expected results.
     bool should_allow_main_frame_load;
     bool should_allow_sub_frame_load;
   } cases[] = {
     {"spanning disabled", false, false, false, false},
     {"split disabled", true, false, false, false},
     {"spanning enabled", false, true, false, true},
     {"split enabled", true, true, true, true},
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
+  for (size_t i = 0; i < arraysize(cases); ++i) {
     scoped_refptr<Extension> extension =
         CreateTestExtension(cases[i].name, cases[i].incognito_split_mode);
     extension_info_map_->AddExtension(
         extension.get(), base::Time::Now(), cases[i].incognito_enabled, false);
 
     // First test a main frame request.
     {
       // It doesn't matter that the resource doesn't exist. If the resource
       // is blocked, we should see ADDRESS_UNREACHABLE. Otherwise, the request
       // should just fail because the file doesn't exist.
@@ skipping 169 matching lines @@
             extension->GetResourceURL("test.dat"),
             net::DEFAULT_PRIORITY,
             &test_delegate_,
             NULL));
     StartRequest(request.get(), content::RESOURCE_TYPE_MEDIA);
     EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
   }
 }
 
 }  // namespace extensions