Cleanup: Move sqlite_persistent_cookie_store_perftest.cc into content_perftests target.

chrome/test/perf/BUILD.gn

 # 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.
 
 import("//testing/test.gni")
 
 if (!is_win || link_chrome_on_windows) {
   # This test appears to be a legacy target consisting of files not yet moved
   # elsewhere.
   test("perf") {
     output_name = "perf_tests"
 
     sources = [
-      "//content/browser/net/sqlite_persistent_cookie_store_perftest.cc",
       "perftests.cc",
       "url_parse_perftest.cc",
     ]
 
     deps = [
       "//base",
       "//base/allocator",
       "//base/test:test_support",
-      "//content",
-      "//net",
       "//testing/gtest",
       "//url",
     ]
   }
 } else {
   group("perf") {
   }
 }