Add WM_EVENT_TRUSTED_PIN and WINDOW_STATE_TYPE_TRUSTED_PINNED to Ash.

ash/wm/lock_window_state.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 "ash/wm/lock_window_state.h"
 
 #include <utility>
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/wm/window_animation_types.h"
@@ skipping 26 matching lines @@
 void LockWindowState::OnWMEvent(wm::WindowState* window_state,
                                 const wm::WMEvent* event) {
   switch (event->type()) {
     case wm::WM_EVENT_TOGGLE_FULLSCREEN:
       ToggleFullScreen(window_state, window_state->delegate());
       break;
     case wm::WM_EVENT_FULLSCREEN:
       UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_FULLSCREEN);
       break;
     case wm::WM_EVENT_PIN:
+    case wm::WM_EVENT_TRUSTED_PIN:
       NOTREACHED();
       break;
     case wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION:
     case wm::WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE:
     case wm::WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE:
     case wm::WM_EVENT_TOGGLE_MAXIMIZE:
     case wm::WM_EVENT_CYCLE_SNAP_DOCK_LEFT:
     case wm::WM_EVENT_CYCLE_SNAP_DOCK_RIGHT:
     case wm::WM_EVENT_CENTER:
     case wm::WM_EVENT_SNAP_LEFT:
@@ skipping 130 matching lines @@
     keyboard_bounds = keyboard_controller->current_keyboard_bounds();
   }
   gfx::Rect bounds = wm::GetDisplayBoundsWithShelf(window_state->window());
   bounds.set_height(bounds.height() - keyboard_bounds.height());
 
   VLOG(1) << "Updating window bounds to: " << bounds.ToString();
   window_state->SetBoundsDirect(bounds);
 }
 
 }  // namespace ash