Remove memory category from chrome://tracing

base/debug/task_annotator.h

Index: base/debug/task_annotator.h
diff --git a/base/debug/task_annotator.h b/base/debug/task_annotator.h
index 74068d920403eb0de6723be86e56ad6b4729ac4d..b5cf6c216cc30afdec4486f00c8f24c11ae44816 100644
--- a/base/debug/task_annotator.h
+++ b/base/debug/task_annotator.h
@@ -37,12 +37,10 @@ class BASE_EXPORT TaskAnnotator {
   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