ScreenContext is moved to components/login.

chrome/browser/chromeos/login/screens/screen_context.cc

Index: chrome/browser/chromeos/login/screens/screen_context.cc
diff --git a/chrome/browser/chromeos/login/screens/screen_context.cc b/chrome/browser/chromeos/login/screens/screen_context.cc
deleted file mode 100644
index e4fe85068dd68422d350f50d7a23c3bda06867f7..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/login/screens/screen_context.cc
+++ /dev/null
@@ -1,177 +0,0 @@
-// Copyright (c) 2013 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/chromeos/login/screens/screen_context.h"
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace chromeos {
-
-namespace {
-
-template <typename StringListType>
-base::ListValue* StringListToListValue(const StringListType& list) {
-  base::ListValue* result = new base::ListValue();
-  for (typename StringListType::const_iterator it = list.begin();
-       it != list.end();
-       ++it) {
-    result->AppendString(*it);
-  }
-  return result;
-}
-
-}  // namespace
-
-ScreenContext::ScreenContext() {
-}
-
-ScreenContext::~ScreenContext() {
-}
-
-bool ScreenContext::SetBoolean(const KeyType& key, bool value) {
-  return Set(key, new base::FundamentalValue(value));
-}
-
-bool ScreenContext::SetInteger(const KeyType& key, int value) {
-  return Set(key, new base::FundamentalValue(value));
-}
-
-bool ScreenContext::SetDouble(const KeyType& key, double value) {
-  return Set(key, new base::FundamentalValue(value));
-}
-
-bool ScreenContext::SetString(const KeyType& key, const std::string& value) {
-  return Set(key, new base::StringValue(value));
-}
-
-bool ScreenContext::SetString(const KeyType& key, const base::string16& value) {
-  return Set(key, new base::StringValue(value));
-}
-
-bool ScreenContext::SetStringList(const KeyType& key, const StringList& value) {
-  return Set(key, StringListToListValue(value));
-}
-
-bool ScreenContext::SetString16List(const KeyType& key,
-                                    const String16List& value) {
-  return Set(key, StringListToListValue(value));
-}
-
-bool ScreenContext::GetBoolean(const KeyType& key) const {
-  return Get<bool>(key);
-}
-
-bool ScreenContext::GetBoolean(const KeyType& key, bool default_value) const {
-  return Get(key, default_value);
-}
-
-int ScreenContext::GetInteger(const KeyType& key) const {
-  return Get<int>(key);
-}
-
-int ScreenContext::GetInteger(const KeyType& key, int default_value) const {
-  return Get(key, default_value);
-}
-
-double ScreenContext::GetDouble(const KeyType& key) const {
-  return Get<double>(key);
-}
-
-double ScreenContext::GetDouble(const KeyType& key,
-                                double default_value) const {
-  return Get(key, default_value);
-}
-
-std::string ScreenContext::GetString(const KeyType& key) const {
-  return Get<std::string>(key);
-}
-
-std::string ScreenContext::GetString(const KeyType& key,
-                                     const std::string& default_value) const {
-  return Get(key, default_value);
-}
-
-base::string16 ScreenContext::GetString16(const KeyType& key) const {
-  return Get<base::string16>(key);
-}
-
-base::string16 ScreenContext::GetString16(
-    const KeyType& key,
-    const base::string16& default_value) const {
-  return Get(key, default_value);
-}
-
-StringList ScreenContext::GetStringList(const KeyType& key) const {
-  return Get<StringList>(key);
-}
-
-StringList ScreenContext::GetStringList(const KeyType& key,
-                                        const StringList& default_value) const {
-  return Get(key, default_value);
-}
-
-String16List ScreenContext::GetString16List(const KeyType& key) const {
-  return Get<String16List>(key);
-}
-
-String16List ScreenContext::GetString16List(
-    const KeyType& key,
-    const String16List& default_value) const {
-  return Get(key, default_value);
-}
-
-bool ScreenContext::HasKey(const KeyType& key) const {
-  DCHECK(CalledOnValidThread());
-  return storage_.HasKey(key);
-}
-
-bool ScreenContext::HasChanges() const {
-  DCHECK(CalledOnValidThread());
-  return !changes_.empty();
-}
-
-void ScreenContext::GetChangesAndReset(base::DictionaryValue* diff) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(diff);
-  changes_.Swap(diff);
-  changes_.Clear();
-}
-
-void ScreenContext::ApplyChanges(const base::DictionaryValue& diff,
-                                 std::vector<std::string>* keys) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(!HasChanges());
-  if (keys) {
-    keys->clear();
-    keys->reserve(diff.size());
-  }
-  base::DictionaryValue::Iterator it(diff);
-  while (!it.IsAtEnd()) {
-    Set(it.key(), it.value().DeepCopy());
-    if (keys)
-      keys->push_back(it.key());
-    it.Advance();
-  }
-  changes_.Clear();
-}
-
-bool ScreenContext::Set(const KeyType& key, base::Value* value) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(value);
-  scoped_ptr<base::Value> new_value(value);
-
-  base::Value* current_value;
-  bool in_storage = storage_.Get(key, &current_value);
-
-  // Don't do anything if |storage_| already contains <|key|, |new_value|> pair.
-  if (in_storage && new_value->Equals(current_value))
-    return false;
-
-  changes_.Set(key, new_value->DeepCopy());
-  storage_.Set(key, new_value.release());
-  return true;
-}
-
-}  // namespace chromeos