Remove duplicated user_prefs::TestingPrefServiceSyncable

components/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("//build/config/chrome_build.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//printing/features/features.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
@@ skipping 453 matching lines @@
         ":components_browsertests_java",
       ]
     }
 
     if (is_linux) {
       # content_extractor_browsertest is a standalone content extraction tool built as
       # a MANUAL component_browsertest.
       sources += [ "dom_distiller/standalone/content_extractor_browsertest.cc" ]
       deps += [
         "//components/leveldb_proto",
-        "//components/pref_registry:test_support",
         "//components/prefs:test_support",
+        "//components/sync_preferences:test_support",
       ]
     }
 
     if (enable_basic_printing || enable_print_preview) {
       sources += [ "printing/test/print_web_view_helper_browsertest.cc" ]
       deps += [ "//components/printing/test:test_support" ]
     }
   }
 
   test("components_perftests") {
@@ skipping 16 matching lines @@
       "//testing/perf",
       "//url",
     ]
 
     if (!is_ios) {
       sources += [ "discardable_memory/common/discardable_shared_memory_heap_perftest.cc" ]
       deps += [ "//components/discardable_memory/common" ]
     }
   }
 }