Update from https://crrev.com/312398

gpu/config/gpu_info_collector_ozone.cc

Index: gpu/config/gpu_info_collector_ozone.cc
diff --git a/base/power_monitor/power_monitor_device_source_posix.cc b/gpu/config/gpu_info_collector_ozone.cc
similarity index 51%
copy from base/power_monitor/power_monitor_device_source_posix.cc
copy to gpu/config/gpu_info_collector_ozone.cc
index f24e5b23f0a032b58c0fe19704fc12da97f5d6b5..d8fef20a344208eaf4cbbe4d651f8f77b4367b18 100644
--- a/base/power_monitor/power_monitor_device_source_posix.cc
+++ b/gpu/config/gpu_info_collector_ozone.cc
@@ -2,13 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/power_monitor/power_monitor_device_source.h"
+#include "base/logging.h"
+#include "gpu/config/gpu_info_collector_linux.h"
 
-namespace base {
+namespace gpu {
 
-bool PowerMonitorDeviceSource::IsOnBatteryPowerImpl() {
+std::string CollectDriverVersionNVidia() {
   NOTIMPLEMENTED();
-  return false;
+  return std::string();
 }
 
-}  // namespace base
+}  // namespace gpu