Split testing_pref_service.h/.cc into two parts, generic vs. Chrome-specific.

chrome/browser/net/ssl_config_service_manager_pref_unittest.cc

 // Copyright (c) 2012 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/net/ssl_config_service_manager.h"
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/testing_pref_store.h"
 #include "base/values.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/prefs/pref_service_mock_builder.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/content_settings.h"
 #include "chrome/common/pref_names.h"
-#include "chrome/test/base/testing_pref_service.h"
+#include "chrome/test/base/testing_pref_service_syncable.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
 #include "net/base/ssl_config_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::ListValue;
 using base::Value;
 using content::BrowserThread;
 using net::SSLConfig;
 using net::SSLConfigService;
@@ skipping 268 matching lines @@
       local_state->FindPreference(prefs::kSSLVersionMax);
   EXPECT_FALSE(version_max_pref->IsUserModifiable());
 
   std::string version_min_str;
   std::string version_max_str;
   EXPECT_FALSE(local_state_store->GetString(prefs::kSSLVersionMin,
                                             &version_min_str));
   EXPECT_FALSE(local_state_store->GetString(prefs::kSSLVersionMax,
                                             &version_max_str));
 }