Reland 2:Geolocation: move from content/browser to device/

content/browser/geolocation/wifi_data_provider_manager.cc

Index: content/browser/geolocation/wifi_data_provider_manager.cc
diff --git a/content/browser/geolocation/wifi_data_provider_manager.cc b/content/browser/geolocation/wifi_data_provider_manager.cc
deleted file mode 100644
index cf53657e53a61ba13ffbac13d8307ac6e6761c82..0000000000000000000000000000000000000000
--- a/content/browser/geolocation/wifi_data_provider_manager.cc
+++ /dev/null
@@ -1,98 +0,0 @@
-// 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 "content/browser/geolocation/wifi_data_provider_manager.h"
-
-#include "content/browser/geolocation/wifi_data_provider.h"
-
-namespace content {
-
-// static
-WifiDataProviderManager* WifiDataProviderManager::instance_ = NULL;
-
-// static
-WifiDataProviderManager::ImplFactoryFunction
-    WifiDataProviderManager::factory_function_ = DefaultFactoryFunction;
-
-// static
-void WifiDataProviderManager::SetFactoryForTesting(
-    ImplFactoryFunction factory_function_in) {
-  factory_function_ = factory_function_in;
-}
-
-// static
-void WifiDataProviderManager::ResetFactoryForTesting() {
-  factory_function_ = DefaultFactoryFunction;
-}
-
-// static
-WifiDataProviderManager* WifiDataProviderManager::Register(
-    WifiDataUpdateCallback* callback) {
-  bool need_to_start_data_provider = false;
-  if (!instance_) {
-    instance_ = new WifiDataProviderManager();
-    need_to_start_data_provider = true;
-  }
-  DCHECK(instance_);
-  instance_->AddCallback(callback);
-  // Start the provider after adding the callback, to avoid any race in
-  // it running early.
-  if (need_to_start_data_provider)
-    instance_->StartDataProvider();
-  return instance_;
-}
-
-// static
-bool WifiDataProviderManager::Unregister(WifiDataUpdateCallback* callback) {
-  DCHECK(instance_);
-  DCHECK(instance_->has_callbacks());
-  if (!instance_->RemoveCallback(callback)) {
-    return false;
-  }
-  if (!instance_->has_callbacks()) {
-    // Must stop the data provider (and any implementation threads) before
-    // destroying to avoid any race conditions in access to the provider in
-    // the destructor chain.
-    instance_->StopDataProvider();
-    delete instance_;
-    instance_ = NULL;
-  }
-  return true;
-}
-
-WifiDataProviderManager::WifiDataProviderManager() {
-  DCHECK(factory_function_);
-  impl_ = (*factory_function_)();
-  DCHECK(impl_.get());
-}
-
-WifiDataProviderManager::~WifiDataProviderManager() {
-  DCHECK(impl_.get());
-}
-
-bool WifiDataProviderManager::GetData(WifiData* data) {
-  return impl_->GetData(data);
-}
-
-void WifiDataProviderManager::AddCallback(WifiDataUpdateCallback* callback) {
-  impl_->AddCallback(callback);
-}
-
-bool WifiDataProviderManager::RemoveCallback(WifiDataUpdateCallback* callback) {
-  return impl_->RemoveCallback(callback);
-}
-
-bool WifiDataProviderManager::has_callbacks() const {
-  return impl_->has_callbacks();
-}
-
-void WifiDataProviderManager::StartDataProvider() {
-  impl_->StartDataProvider();
-}
-
-void WifiDataProviderManager::StopDataProvider() {
-  impl_->StopDataProvider();
-}
-
-}  // namespace content