[scheduler] Update header guards.

third_party/WebKit/Source/platform/scheduler/base/task_queue.h

Index: third_party/WebKit/Source/platform/scheduler/base/task_queue.h
diff --git a/third_party/WebKit/Source/platform/scheduler/base/task_queue.h b/third_party/WebKit/Source/platform/scheduler/base/task_queue.h
index de227cc40f376a60f8b96c724160cf3e6c9f7efa..43a8bc5fe0004e88380bdcfb9ac9019bb653a6ec 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/task_queue.h
+++ b/third_party/WebKit/Source/platform/scheduler/base/task_queue.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_H_
-#define THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_H_
+#ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_H_
+#define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_H_
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ -233,4 +233,4 @@ class BLINK_PLATFORM_EXPORT TaskQueue : public base::SingleThreadTaskRunner {
 }  // namespace scheduler
 }  // namespace blink
 
-#endif  // THIRD_PARTY_WEBKIT_PUBLIC_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_H_
+#endif  // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_BASE_TASK_QUEUE_H_