Remove memory category from chrome://tracing

base/debug/task_annotator.h

 // Copyright 2014 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_DEBUG_TASK_ANNOTATOR_H_
 #define BASE_DEBUG_TASK_ANNOTATOR_H_
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
 
@@ skipping 19 matching lines @@
 
  private:
   // Creates a process-wide unique ID to represent this task in trace events.
   // This will be mangled with a Process ID hash to reduce the likelyhood of
   // colliding with TaskAnnotator pointers on other processes.
   uint64 GetTaskTraceID(const PendingTask& task) const;
 
   DISALLOW_COPY_AND_ASSIGN(TaskAnnotator);
 };
 
-#define TRACE_TASK_EXECUTION(run_function, task)                          \
-  TRACE_EVENT_WITH_MEMORY_TAG2(                                           \
-      "toplevel", (run_function),                                         \
-      (task).posted_from.function_name(), /* Name for memory tracking. */ \
-      "src_file", (task).posted_from.file_name(), "src_func",             \
-      (task).posted_from.function_name());
+#define TRACE_TASK_EXECUTION(run_function, task)           \
+  TRACE_EVENT2("toplevel", (run_function), "src_file",     \
+               (task).posted_from.file_name(), "src_func", \
+               (task).posted_from.function_name());
 
 }  // namespace debug
 }  // namespace base
 
 #endif  // BASE_DEBUG_TASK_ANNOTATOR_H_