[Ozone-Drm] More LOG cleanup

ui/ozone/platform/drm/gpu/gbm_buffer.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/gpu/gbm_buffer.h"
 
 #include <drm.h>
 #include <fcntl.h>
 #include <gbm.h>
 #include <xf86drm.h>
@@ skipping 57 matching lines @@
 GbmPixmap::GbmPixmap(const scoped_refptr<GbmBuffer>& buffer)
     : buffer_(buffer), dma_buf_(-1) {
 }
 
 bool GbmPixmap::Initialize() {
   // We want to use the GBM API because it's going to call into libdrm
   // which might do some optimizations on buffer allocation,
   // especially when sharing buffers via DMABUF.
   dma_buf_ = gbm_bo_get_fd(buffer_->bo());
   if (dma_buf_ < 0) {
-    LOG(ERROR) << "Failed to export buffer to dma_buf";
+    PLOG(ERROR) << "Failed to export buffer to dma_buf";
     return false;
   }
   return true;
 }
 
 GbmPixmap::~GbmPixmap() {
   if (dma_buf_ > 0)
     close(dma_buf_);
 }
 
 void* GbmPixmap::GetEGLClientBuffer() {
   return nullptr;
 }
 
 int GbmPixmap::GetDmaBufFd() {
   return dma_buf_;
 }
 
 int GbmPixmap::GetDmaBufPitch() {
   return gbm_bo_get_stride(buffer_->bo());
 }
 
 }  // namespace ui