Revert of Allow binding point to be specified on flow end events.

base/trace_event/trace_event.h

Index: base/trace_event/trace_event.h
diff --git a/base/trace_event/trace_event.h b/base/trace_event/trace_event.h
index 6bd9c1bf57ffbe89773c936c41b4e09bba5211b0..397bafc3550faf11c3bae4a1b5b4576bb81c9efb 100644
--- a/base/trace_event/trace_event.h
+++ b/base/trace_event/trace_event.h
@@ -852,9 +852,6 @@
 #define TRACE_EVENT_FLOW_END0(category_group, name, id) \
     INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \
         category_group, name, id, TRACE_EVENT_FLAG_NONE)
-#define TRACE_EVENT_FLOW_END_BIND_TO_ENCLOSING0(category_group, name, id) \
-    INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \
-        category_group, name, id, TRACE_EVENT_FLAG_BIND_TO_ENCLOSING)
 #define TRACE_EVENT_FLOW_END1(category_group, name, id, arg1_name, arg1_val) \
     INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \
         category_group, name, id, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val)
@@ -1140,7 +1137,6 @@
 #define TRACE_EVENT_FLAG_SCOPE_OFFSET (static_cast<unsigned char>(1 << 3))
 #define TRACE_EVENT_FLAG_SCOPE_EXTRA  (static_cast<unsigned char>(1 << 4))
 #define TRACE_EVENT_FLAG_EXPLICIT_TIMESTAMP (static_cast<unsigned char>(1 << 5))
-#define TRACE_EVENT_FLAG_BIND_TO_ENCLOSING (static_cast<unsigned char>(1 << 6))
 #define TRACE_EVENT_FLAG_ASYNC_TTS    (static_cast<unsigned char>(1 << 6))
 
 #define TRACE_EVENT_FLAG_SCOPE_MASK   (static_cast<unsigned char>( \