Fix some typo and nits while reading the code.

base/win/event_trace_controller.cc

Index: base/win/event_trace_controller.cc
diff --git a/base/win/event_trace_controller.cc b/base/win/event_trace_controller.cc
index 0391fbc3016ad585a87052b999c26754589f3133..9a35a6bd57a11e4e429c95c07d7e8594c4031790 100644
--- a/base/win/event_trace_controller.cc
+++ b/base/win/event_trace_controller.cc
@@ -64,7 +64,7 @@ HRESULT EtwTraceController::Start(const wchar_t* session_name,
 }
 
 HRESULT EtwTraceController::StartFileSession(const wchar_t* session_name,
-      const wchar_t* logfile_path, bool realtime) {
+    const wchar_t* logfile_path, bool realtime) {
   DCHECK(NULL == session_ && session_name_.empty());
 
   EtwTraceProperties prop;