Move system.* family of APIs to extensions/

extensions/shell/browser/shell_display_info_provider.cc

+// 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 "extensions/shell/browser/shell_display_info_provider.h"
+
+namespace extensions {
+
+ShellDisplayInfoProvider::ShellDisplayInfoProvider() {
+}
+
+ShellDisplayInfoProvider::~ShellDisplayInfoProvider() {
+}
+
+bool ShellDisplayInfoProvider::SetInfo(
+    const std::string& display_id,
+    const core_api::system_display::DisplayProperties& info,
+    std::string* error) {
+  *error = "Not implemented";
+  return false;
+}
+
+void ShellDisplayInfoProvider::UpdateDisplayUnitInfoForPlatform(
+    const gfx::Display& display,
+    extensions::core_api::system_display::DisplayUnitInfo* unit) {
+  NOTIMPLEMENTED();
+}
+
+gfx::Screen* ShellDisplayInfoProvider::GetActiveScreen() {
+  return NULL;
+}
+
+// static
+DisplayInfoProvider* DisplayInfoProvider::Create() {
+  return new ShellDisplayInfoProvider();
+}
+
+}  // namespace extensions