Change PrefStore::ReadResult to a boolean.

base/prefs/testing_pref_store.h

 // 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.
 
 #ifndef BASE_PREFS_TESTING_PREF_STORE_H_
 #define BASE_PREFS_TESTING_PREF_STORE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 #include "base/prefs/persistent_pref_store.h"
 #include "base/prefs/pref_value_map.h"
 
 // |TestingPrefStore| is a preference store implementation that allows tests to
 // explicitly manipulate the contents of the store, triggering notifications
 // where appropriate.
 class TestingPrefStore : public PersistentPrefStore {
  public:
   TestingPrefStore();
 
   // Overriden from PrefStore.
-  virtual ReadResult GetValue(const std::string& key,
-                              const base::Value** result) const OVERRIDE;
+  virtual bool GetValue(const std::string& key,
+                        const base::Value** result) const OVERRIDE;
   virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE;
   virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE;
   virtual size_t NumberOfObservers() const OVERRIDE;
   virtual bool IsInitializationComplete() const OVERRIDE;
 
   // PersistentPrefStore overrides:
-  virtual ReadResult GetMutableValue(const std::string& key,
-                                     base::Value** result) OVERRIDE;
+  virtual bool GetMutableValue(const std::string& key,
+                               base::Value** result) OVERRIDE;
   virtual void ReportValueChanged(const std::string& key) OVERRIDE;
   virtual void SetValue(const std::string& key, base::Value* value) OVERRIDE;
   virtual void SetValueSilently(const std::string& key,
                                 base::Value* value) OVERRIDE;
   virtual void RemoveValue(const std::string& key) OVERRIDE;
   virtual void MarkNeedsEmptyValue(const std::string& key) OVERRIDE;
   virtual bool ReadOnly() const OVERRIDE;
   virtual PrefReadError GetReadError() const OVERRIDE;
   virtual PersistentPrefStore::PrefReadError ReadPrefs() OVERRIDE;
   virtual void ReadPrefsAsync(ReadErrorDelegate* error_delegate) OVERRIDE;
@@ skipping 31 matching lines @@
 
   // Whether initialization has been completed.
   bool init_complete_;
 
   ObserverList<PrefStore::Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TestingPrefStore);
 };
 
 #endif  // BASE_PREFS_TESTING_PREF_STORE_H_