Code cleanup and typos in trace_event [NFC]

base/trace_event/trace_category.h

 // Copyright 2016 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.
 
 #ifndef BASE_TRACE_EVENT_TRACE_CATEGORY_H_
 #define BASE_TRACE_EVENT_TRACE_CATEGORY_H_
 
 #include <stdint.h>
 
 namespace base {
@@ skipping 78 matching lines @@
   // crbug.com/{660967,660828}.
 
   // The enabled state. TRACE_EVENT* macros will capture events if any of the
   // flags here are set. Since TRACE_EVENTx macros are used in a lot of
   // fast-paths, accesses to this field are non-barriered and racy by design.
   // This field is mutated when starting/stopping tracing and we don't care
   // about missing some events.
   uint8_t state_;
 
   // When ENABLED_FOR_FILTERING is set, this contains a bitmap to the
-  // coressponding filter (see event_filters.h).
+  // corresponding filter (see event_filters.h).
   uint32_t enabled_filters_;
 
   // TraceCategory group names are long lived static strings.
   const char* name_;
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_TRACE_CATEGORY_H_