Revert of Move base/prefs to components/prefs

base/prefs/testing_pref_store.cc

Index: base/prefs/testing_pref_store.cc
diff --git a/base/prefs/testing_pref_store.cc b/base/prefs/testing_pref_store.cc
new file mode 100644
index 0000000000000000000000000000000000000000..33e1dc22e5582b1afce941a4534f4fe2540d8ce0
--- /dev/null
+++ b/base/prefs/testing_pref_store.cc
@@ -0,0 +1,181 @@
+// 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 "base/prefs/testing_pref_store.h"
+
+#include <utility>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+
+TestingPrefStore::TestingPrefStore()
+    : read_only_(true),
+      read_success_(true),
+      read_error_(PersistentPrefStore::PREF_READ_ERROR_NONE),
+      block_async_read_(false),
+      pending_async_read_(false),
+      init_complete_(false),
+      committed_(true) {}
+
+bool TestingPrefStore::GetValue(const std::string& key,
+                                const base::Value** value) const {
+  return prefs_.GetValue(key, value);
+}
+
+bool TestingPrefStore::GetMutableValue(const std::string& key,
+                                       base::Value** value) {
+  return prefs_.GetValue(key, value);
+}
+
+void TestingPrefStore::AddObserver(PrefStore::Observer* observer) {
+  observers_.AddObserver(observer);
+}
+
+void TestingPrefStore::RemoveObserver(PrefStore::Observer* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+bool TestingPrefStore::HasObservers() const {
+  return observers_.might_have_observers();
+}
+
+bool TestingPrefStore::IsInitializationComplete() const {
+  return init_complete_;
+}
+
+void TestingPrefStore::SetValue(const std::string& key,
+                                scoped_ptr<base::Value> value,
+                                uint32_t flags) {
+  if (prefs_.SetValue(key, std::move(value))) {
+    committed_ = false;
+    NotifyPrefValueChanged(key);
+  }
+}
+
+void TestingPrefStore::SetValueSilently(const std::string& key,
+                                        scoped_ptr<base::Value> value,
+                                        uint32_t flags) {
+  if (prefs_.SetValue(key, std::move(value)))
+    committed_ = false;
+}
+
+void TestingPrefStore::RemoveValue(const std::string& key, uint32_t flags) {
+  if (prefs_.RemoveValue(key)) {
+    committed_ = false;
+    NotifyPrefValueChanged(key);
+  }
+}
+
+bool TestingPrefStore::ReadOnly() const {
+  return read_only_;
+}
+
+PersistentPrefStore::PrefReadError TestingPrefStore::GetReadError() const {
+  return read_error_;
+}
+
+PersistentPrefStore::PrefReadError TestingPrefStore::ReadPrefs() {
+  NotifyInitializationCompleted();
+  return read_error_;
+}
+
+void TestingPrefStore::ReadPrefsAsync(ReadErrorDelegate* error_delegate) {
+  DCHECK(!pending_async_read_);
+  error_delegate_.reset(error_delegate);
+  if (block_async_read_)
+    pending_async_read_ = true;
+  else
+    NotifyInitializationCompleted();
+}
+
+void TestingPrefStore::CommitPendingWrite() { committed_ = true; }
+
+void TestingPrefStore::SchedulePendingLossyWrites() {}
+
+void TestingPrefStore::SetInitializationCompleted() {
+  NotifyInitializationCompleted();
+}
+
+void TestingPrefStore::NotifyPrefValueChanged(const std::string& key) {
+  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
+}
+
+void TestingPrefStore::NotifyInitializationCompleted() {
+  DCHECK(!init_complete_);
+  init_complete_ = true;
+  if (read_success_ && read_error_ != PREF_READ_ERROR_NONE && error_delegate_)
+    error_delegate_->OnError(read_error_);
+  FOR_EACH_OBSERVER(
+      Observer, observers_, OnInitializationCompleted(read_success_));
+}
+
+void TestingPrefStore::ReportValueChanged(const std::string& key,
+                                          uint32_t flags) {
+  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
+}
+
+void TestingPrefStore::SetString(const std::string& key,
+                                 const std::string& value) {
+  SetValue(key, make_scoped_ptr(new base::StringValue(value)),
+           DEFAULT_PREF_WRITE_FLAGS);
+}
+
+void TestingPrefStore::SetInteger(const std::string& key, int value) {
+  SetValue(key, make_scoped_ptr(new base::FundamentalValue(value)),
+           DEFAULT_PREF_WRITE_FLAGS);
+}
+
+void TestingPrefStore::SetBoolean(const std::string& key, bool value) {
+  SetValue(key, make_scoped_ptr(new base::FundamentalValue(value)),
+           DEFAULT_PREF_WRITE_FLAGS);
+}
+
+bool TestingPrefStore::GetString(const std::string& key,
+                                 std::string* value) const {
+  const base::Value* stored_value;
+  if (!prefs_.GetValue(key, &stored_value) || !stored_value)
+    return false;
+
+  return stored_value->GetAsString(value);
+}
+
+bool TestingPrefStore::GetInteger(const std::string& key, int* value) const {
+  const base::Value* stored_value;
+  if (!prefs_.GetValue(key, &stored_value) || !stored_value)
+    return false;
+
+  return stored_value->GetAsInteger(value);
+}
+
+bool TestingPrefStore::GetBoolean(const std::string& key, bool* value) const {
+  const base::Value* stored_value;
+  if (!prefs_.GetValue(key, &stored_value) || !stored_value)
+    return false;
+
+  return stored_value->GetAsBoolean(value);
+}
+
+void TestingPrefStore::SetBlockAsyncRead(bool block_async_read) {
+  DCHECK(!init_complete_);
+  block_async_read_ = block_async_read;
+  if (pending_async_read_ && !block_async_read_)
+    NotifyInitializationCompleted();
+}
+
+void TestingPrefStore::set_read_only(bool read_only) {
+  read_only_ = read_only;
+}
+
+void TestingPrefStore::set_read_success(bool read_success) {
+  DCHECK(!init_complete_);
+  read_success_ = read_success;
+}
+
+void TestingPrefStore::set_read_error(
+    PersistentPrefStore::PrefReadError read_error) {
+  DCHECK(!init_complete_);
+  read_error_ = read_error;
+}
+
+TestingPrefStore::~TestingPrefStore() {}