Renamed DefaultPrefStore into InMemoryPrefStore because it can be used in further contexts.

chrome/browser/prefs/pref_notifier_unittest.cc

 // Copyright (c) 2010 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/prefs/default_pref_store.h"
+#include "chrome/browser/prefs/in_memory_pref_store.h"
 #include "chrome/browser/prefs/pref_notifier.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/pref_value_store.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/common/notification_service.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 
@@ skipping 39 matching lines @@
     return count;
   }
 };
 
 // Mock PrefValueStore that has no unnecessary PrefStores and injects a simpler
 // PrefHasChanged().
 class MockPrefValueStore : public PrefValueStore {
  public:
   MockPrefValueStore()
       : PrefValueStore(NULL, NULL, NULL, NULL, NULL, NULL,
-                       new DefaultPrefStore(), NULL) {}
+                       new InMemoryPrefStore(), NULL) {}
 
   virtual ~MockPrefValueStore() {}
 
   // This mock version returns true if the pref path starts with "changed".
   virtual bool PrefHasChanged(const char* path,
                               PrefNotifier::PrefStoreType new_store) {
     std::string path_str(path);
     if (path_str.compare(0, 7, "changed") == 0)
       return true;
     return false;
@@ skipping 209 matching lines @@
 
   EXPECT_CALL(obs1_, Observe(_, _, _)).Times(0);
   EXPECT_CALL(obs2_, Observe(_, _, _)).Times(0);
   notifier_->OnUserPreferenceSet(kUnchangedPref);
 
   notifier_->RemovePrefObserver(kChangedPref, &obs2_);
   notifier_->RemovePrefObserver(kUnchangedPref, &obs2_);
 }
 
 }  // namespace