Revert 76228 - Move core pieces of geolocation from chrome to content.This is...

content/browser/geolocation/core_location_provider_mac.mm

-// 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 "content/browser/geolocation/core_location_provider_mac.h"
-
-#include "base/logging.h"
-#include "base/command_line.h"
-#include "chrome/common/chrome_switches.h"
-#include "content/browser/geolocation/core_location_data_provider_mac.h"
-
-CoreLocationProviderMac::CoreLocationProviderMac()
-    : is_updating_(false) {
-  data_provider_ = new CoreLocationDataProviderMac();
-  data_provider_->AddRef();
-}
-
-CoreLocationProviderMac::~CoreLocationProviderMac() {
-  data_provider_->StopUpdating();
-  data_provider_->Release();
-}
-
-bool CoreLocationProviderMac::StartProvider(bool high_accuracy) {
-  // StartProvider maybe called multiple times. For example, to update the high
-  // accuracy hint.
-  // TODO(jknotten): Support high_accuracy hint in underlying data provider.
-  if (is_updating_)
-    return true;
-
-  is_updating_ = data_provider_->StartUpdating(this);
-  return true;
-}
-
-void CoreLocationProviderMac::StopProvider() {
-  data_provider_->StopUpdating();
-  is_updating_ = false;
-}
-
-void CoreLocationProviderMac::GetPosition(Geoposition* position) {
-  DCHECK(position);
-  *position = position_;
-  DCHECK(position->IsInitialized());
-}
-
-void CoreLocationProviderMac::SetPosition(Geoposition* position) {
-  DCHECK(position);
-  position_ = *position;
-  DCHECK(position->IsInitialized());
-
-  UpdateListeners();
-}
-
-LocationProviderBase* NewSystemLocationProvider() {
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kExperimentalLocationFeatures)) {
-    return new CoreLocationProviderMac;
-  }
-  return NULL;
-}