Rename 'interface' parameter

chrome/browser/power_usage_monitor/power_usage_monitor.cc

Index: chrome/browser/power_usage_monitor/power_usage_monitor.cc
diff --git a/chrome/browser/power_usage_monitor/power_usage_monitor.cc b/chrome/browser/power_usage_monitor/power_usage_monitor.cc
index ee7afbb26d9f149e973bbdf3a1c37e6faf90f7a0..4ce9c5c4c4bfda06ee761e6484674e61eca234fb 100644
--- a/chrome/browser/power_usage_monitor/power_usage_monitor.cc
+++ b/chrome/browser/power_usage_monitor/power_usage_monitor.cc
@@ -228,8 +228,8 @@ void PowerUsageMonitor::OnRenderProcessNotification(int type, int rph_id) {
 }
 
 void PowerUsageMonitor::SetSystemInterfaceForTest(
-    std::unique_ptr<SystemInterface> interface) {
-  system_interface_ = std::move(interface);
+    std::unique_ptr<SystemInterface> system_interface) {
+  system_interface_ = std::move(system_interface);
 }
 
 void PowerUsageMonitor::OnPowerStateChange(bool on_battery_power) {}