Fix header guard in thread_annotations.h.

webrtc/base/thread_annotations.h

 //
 // Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the LICENSE file in the root of the source
 // tree. An additional intellectual property rights grant can be found
 // in the file PATENTS.  All contributing project authors may
 // be found in the AUTHORS file in the root of the source tree.
 //
 // Borrowed from
 // https://code.google.com/p/gperftools/source/browse/src/base/thread_annotations.h
 // but adapted for clang attributes instead of the gcc.
 //
 // This header file contains the macro definitions for thread safety
 // annotations that allow the developers to document the locking policies
 // of their multi-threaded code. The annotations can also help program
 // analysis tools to identify potential thread safety issues.
 
-#ifndef BASE_THREAD_ANNOTATIONS_H_
-#define BASE_THREAD_ANNOTATIONS_H_
+#ifndef WEBRTC_BASE_THREAD_ANNOTATIONS_H_
+#define WEBRTC_BASE_THREAD_ANNOTATIONS_H_
 
 #if defined(__clang__) && (!defined(SWIG))
 #define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))
 #else
 #define THREAD_ANNOTATION_ATTRIBUTE__(x)  // no-op
 #endif
 
 // Document if a shared variable/field needs to be protected by a lock.
 // GUARDED_BY allows the user to specify a particular lock that should be
 // held when accessing the annotated variable, while GUARDED_VAR only
@@ skipping 59 matching lines @@
 #define SHARED_TRYLOCK_FUNCTION(...) \
   THREAD_ANNOTATION_ATTRIBUTE__(shared_trylock_function(__VA_ARGS__))
 
 #define UNLOCK_FUNCTION(...) \
   THREAD_ANNOTATION_ATTRIBUTE__(unlock_function(__VA_ARGS__))
 
 // An escape hatch for thread safety analysis to ignore the annotated function.
 #define NO_THREAD_SAFETY_ANALYSIS \
   THREAD_ANNOTATION_ATTRIBUTE__(no_thread_safety_analysis)
 
-#endif  // BASE_THREAD_ANNOTATIONS_H_
+#endif  // WEBRTC_BASE_THREAD_ANNOTATIONS_H_