ozone: Add atomic initialization path

ui/ozone/platform/drm/gpu/hardware_display_plane_atomic.cc

 // Copyright 2015 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/drm/gpu/hardware_display_plane_atomic.h"
 
 #include <drm.h>
 #include <errno.h>
 #include <xf86drm.h>
 
@@ skipping 32 matching lines @@
   }
   if (!id) {
     LOG(ERROR) << "Could not find property " << name;
     return false;
   }
   return true;
 }
 
 HardwareDisplayPlaneAtomic::HardwareDisplayPlaneAtomic(uint32_t plane_id,
                                                        uint32_t possible_crtcs)
-    : HardwareDisplayPlane(plane_id, possible_crtcs) {
+    : HardwareDisplayPlane(plane_id, possible_crtcs), crtc_(nullptr) {
 }
 HardwareDisplayPlaneAtomic::~HardwareDisplayPlaneAtomic() {
 }
 
 bool HardwareDisplayPlaneAtomic::SetPlaneData(drmModePropertySet* property_set,
                                               uint32_t crtc_id,
                                               uint32_t framebuffer,
                                               const gfx::Rect& crtc_rect,
                                               const gfx::Rect& src_rect) {
   int plane_set_error =
@@ skipping 44 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