Add plane manager to the atomic swap path.

ui/ozone/platform/dri/hardware_display_plane.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 "ui/ozone/platform/dri/hardware_display_plane.h"
 
 #include <drm.h>
 #include <errno.h>
 #include <xf86drm.h>
 
@@ skipping 44 matching lines @@
     ScopedDrmPlanePtr plane)
     : drm_(drm),
       property_set_(atomic_property_set),
       plane_(plane.Pass()),
       plane_id_(plane_->plane_id) {
 }
 
 HardwareDisplayPlane::~HardwareDisplayPlane() {
 }
 
+bool HardwareDisplayPlane::CanUseForCrtc(uint32_t crtc_id) {
+  return plane_->possible_crtcs & (1 << crtc_id);
+}
+
 bool HardwareDisplayPlane::SetPlaneData(uint32_t crtc_id,
                                         uint32_t framebuffer,
                                         const gfx::Rect& crtc_rect,
                                         const gfx::Rect& src_rect) {
   int plane_set_error =
       drmModePropertySetAdd(
           property_set_, plane_id_, crtc_prop_.id_, crtc_id) ||
       drmModePropertySetAdd(
           property_set_, plane_id_, fb_prop_.id_, framebuffer) ||
       drmModePropertySetAdd(
@@ skipping 42 matching lines @@
       src_h_prop_.Initialize(drm_, kSrcHPropName, plane_props);
 
   if (!props_init) {
     LOG(ERROR) << "Unable to get plane properties.";
     return false;
   }
   return true;
 }
 
 }  // namespace ui