Fix the uses of T* conversion operator from scoped_refptr<T> which is now removed.

ui/ozone/platform/dri/hardware_display_controller.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_controller.h"
 
 #include <drm.h>
 #include <errno.h>
 #include <string.h>
 #include <xf86drm.h>
@@ skipping 78 matching lines @@
 }
 
 HardwareDisplayController::~HardwareDisplayController() {
   // Reset the cursor.
   UnsetCursor();
 }
 
 bool HardwareDisplayController::Modeset(const OverlayPlane& primary,
                                         drmModeModeInfo mode) {
   TRACE_EVENT0("dri", "HDC::Modeset");
-  DCHECK(primary.buffer);
+  DCHECK(primary.buffer.get());
   pending_page_flips_ = 0;
   bool status = true;
   for (size_t i = 0; i < crtc_states_.size(); ++i) {
     status &= ModesetCrtc(primary.buffer, mode, crtc_states_[i]);
     crtc_states_[i]->set_is_disabled(false);
   }
 
   // Since a subset of controllers may be actively using |primary|, just keep
   // track of it.
   current_planes_ = std::vector<OverlayPlane>(1, primary);
   pending_planes_.clear();
   is_disabled_ = false;
   mode_ = mode;
   return status;
 }
 
 bool HardwareDisplayController::Enable() {
   TRACE_EVENT0("dri", "HDC::Enable");
   DCHECK(!current_planes_.empty());
   OverlayPlane primary = GetPrimaryPlane(current_planes_);
-  DCHECK(primary.buffer);
+  DCHECK(primary.buffer.get());
   pending_page_flips_ = 0;
   bool status = true;
   for (size_t i = 0; i < crtc_states_.size(); ++i)
     status &= ModesetCrtc(primary.buffer, mode_, crtc_states_[i]);
 
   return status;
 }
 
 void HardwareDisplayController::Disable() {
   TRACE_EVENT0("dri", "HDC::Disable");
@@ skipping 148 matching lines @@
     return false;
   }
 
   return true;
 }
 
 bool HardwareDisplayController::SchedulePageFlipOnCrtc(
     const OverlayPlaneList& overlays,
     CrtcState* state) {
   const OverlayPlane& primary = GetPrimaryPlane(overlays);
-  DCHECK(primary.buffer);
+  DCHECK(primary.buffer.get());
 
   if (primary.buffer->GetSize() != gfx::Size(mode_.hdisplay, mode_.vdisplay)) {
     LOG(WARNING) << "Trying to pageflip a buffer with the wrong size. Expected "
                  << mode_.hdisplay << "x" << mode_.vdisplay
                  << " got " << primary.buffer->GetSize().ToString() << " for"
                  << " crtc=" << state->crtc()
                  << " connector=" << state->connector();
     return true;
   }
 
@@ skipping 24 matching lines @@
                                plane.overlay_plane)) {
       LOG(ERROR) << "Cannot display on overlay: " << strerror(errno);
       return false;
     }
   }
 
   return true;
 }
 
 }  // namespace ui