ozone: Switch some DRM-related warnings to VLOG(1).

ui/ozone/platform/drm/common/drm_util.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/drm/common/drm_util.h"
 
 #include <drm_fourcc.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <sys/mman.h>
@@ skipping 178 matching lines @@
     }
   }
   return false;
 }
 
 }  // namespace
 
 gfx::Size GetMaximumCursorSize(int fd) {
   uint64_t width = 0, height = 0;
   if (drmGetCap(fd, DRM_CAP_CURSOR_WIDTH, &width)) {
-    PLOG(WARNING) << "Unable to get cursor width capability";
+    VPLOG(1) << "Unable to get cursor width capability";
     return gfx::Size(kDefaultCursorWidth, kDefaultCursorHeight);
   }
   if (drmGetCap(fd, DRM_CAP_CURSOR_HEIGHT, &height)) {
-    PLOG(WARNING) << "Unable to get cursor height capability";
+    VPLOG(1) << "Unable to get cursor height capability";
     return gfx::Size(kDefaultCursorWidth, kDefaultCursorHeight);
   }
 
   return gfx::Size(width, height);
 }
 
 HardwareDisplayControllerInfo::HardwareDisplayControllerInfo(
     ScopedDrmConnectorPtr connector,
     ScopedDrmCrtcPtr crtc,
     size_t index)
@@ skipping 171 matching lines @@
     case gfx::BufferFormat::BGR_565:
       return DRM_FORMAT_RGB565;
     case gfx::BufferFormat::UYVY_422:
       return DRM_FORMAT_UYVY;
     default:
       NOTREACHED();
       return 0;
   }
 }
 }  // namespace ui