Add WindowPinType property on arua::Window

ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc

 // 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 "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
 
 #include "base/memory/ptr_util.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 327 matching lines @@
 }
 
 void DesktopWindowTreeHostWin::Maximize() {
   message_handler_->Maximize();
 }
 
 void DesktopWindowTreeHostWin::Minimize() {
   message_handler_->Minimize();
 }
 
+void DesktopWindowTreeHostWin::Pin(bool trusted) {
+  // We only use Pin() for ARC++ window on Chromebook, so we don't need
+  // implement it for Windows.
+  NOTIMPLEMENTED();
+}
+
 void DesktopWindowTreeHostWin::Restore() {
   message_handler_->Restore();
 }
 
 bool DesktopWindowTreeHostWin::IsMaximized() const {
   return message_handler_->IsMaximized();
 }
 
 bool DesktopWindowTreeHostWin::IsMinimized() const {
   return message_handler_->IsMinimized();
 }
 
+bool DesktopWindowTreeHostWin::IsPinned() const {
+  return false;
+}
+
 bool DesktopWindowTreeHostWin::HasCapture() const {
   return message_handler_->HasCapture();
 }
 
 void DesktopWindowTreeHostWin::SetAlwaysOnTop(bool always_on_top) {
   message_handler_->SetAlwaysOnTop(always_on_top);
 }
 
 bool DesktopWindowTreeHostWin::IsAlwaysOnTop() const {
   return message_handler_->IsAlwaysOnTop();
@@ skipping 626 matching lines @@
 
 // static
 DesktopWindowTreeHost* DesktopWindowTreeHost::Create(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura) {
   return new DesktopWindowTreeHostWin(native_widget_delegate,
                                       desktop_native_widget_aura);
 }
 
 }  // namespace views