Refactor pref code out of ProfileImpl.

chrome/browser/prefs/pref_hash_browsertest.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 <set>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/prefs/chrome_pref_service_factory.h"
 #include "chrome/browser/prefs/pref_hash_store.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_impl.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "content/public/test/test_utils.h"
 
 namespace {
 
 // An observer that returns back to test code after a new profile is
@@ skipping 102 matching lines @@
 
   const base::DictionaryValue* hashes =
       g_browser_process->local_state()->GetDictionary(
           prefs::kProfilePreferenceHashes);
 
   // 3 is for hash_of_hashes, default profile, and new profile.
   ASSERT_EQ(3U, hashes->size());
 
   // One of the two profiles should not have been loaded. Reset its hash store.
   const base::FilePath unloaded_profile_path = GetUnloadedProfilePath();
-  ProfileImpl::ResetPrefHashStore(unloaded_profile_path);
+  chrome_prefs::ResetPrefHashStore(unloaded_profile_path);
 
   // One of the profile hash collections should be gone.
   ASSERT_EQ(2U, hashes->size());
 
   // No profile should have gone through the unloaded profile initialization in
   // this phase as both profiles were already initialized at the beginning of
   // this phase (resetting the unloaded profile's PrefHashStore should only
   // force initialization in the next phase's startup).
   EXPECT_EQ(
       0, GetTrackedPrefHistogramCount(
@@ skipping 68 matching lines @@
       0, GetTrackedPrefHistogramCount(
              "Settings.TrackedPreferenceTrustedInitialized", true));
   EXPECT_EQ(
       0, GetTrackedPrefHistogramCount(
              "Settings.TrackedPreferenceMigrated", true));
   EXPECT_EQ(
       initial_unchanged_count * 2,
       GetTrackedPrefHistogramCount("Settings.TrackedPreferenceUnchanged",
                                    false));
 }