Add top-level async trace events for the main startup timings.

base/trace_event/trace_event_common.h

 // Copyright 2015 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.
 
 // This header file defines the set of trace_event macros without specifying
 // how the events actually get collected and stored. If you need to expose trace
 // events to some other universe, you can copy-and-paste this file as well as
 // trace_event.h, modifying the macros contained there as necessary for the
 // target platform. The end result is that multiple libraries can funnel events
 // through to a shared trace event collector.
@@ skipping 585 matching lines @@
       TRACE_EVENT_PHASE_ASYNC_BEGIN, category_group, name, id,             \
       TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val, arg2_name, arg2_val)
 
 // Similar to TRACE_EVENT_ASYNC_BEGINx but with a custom |at| timestamp
 // provided.
 #define TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP0(category_group, name, id, \
                                                 timestamp)                \
   INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(                     \
       TRACE_EVENT_PHASE_ASYNC_BEGIN, category_group, name, id,            \
       TRACE_EVENT_API_CURRENT_THREAD_ID, timestamp, TRACE_EVENT_FLAG_NONE)
+#define TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP1(                           \
+    category_group, name, id, timestamp, arg1_name, arg1_val)              \
+  INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(                      \
+      TRACE_EVENT_PHASE_ASYNC_BEGIN, category_group, name, id,             \
+      TRACE_EVENT_API_CURRENT_THREAD_ID, timestamp, TRACE_EVENT_FLAG_NONE, \
+      arg1_name, arg1_val)
 #define TRACE_EVENT_COPY_ASYNC_BEGIN_WITH_TIMESTAMP0(category_group, name, id, \
                                                      timestamp)                \
   INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(                          \
       TRACE_EVENT_PHASE_ASYNC_BEGIN, category_group, name, id,                 \
       TRACE_EVENT_API_CURRENT_THREAD_ID, timestamp, TRACE_EVENT_FLAG_COPY)
 
 // Records a single ASYNC_STEP_INTO event for |step| immediately. If the
 // category is not enabled, then this does nothing. The |name| and |id| must
 // match the ASYNC_BEGIN event above. The |step| param identifies this step
 // within the async event. This should be called at the beginning of the next
@@ skipping 63 matching lines @@
   INTERNAL_TRACE_EVENT_ADD_WITH_ID(                                      \
       TRACE_EVENT_PHASE_ASYNC_END, category_group, name, id,             \
       TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val, arg2_name, arg2_val)
 
 // Similar to TRACE_EVENT_ASYNC_ENDx but with a custom |at| timestamp provided.
 #define TRACE_EVENT_ASYNC_END_WITH_TIMESTAMP0(category_group, name, id, \
                                               timestamp)                \
   INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(                   \
       TRACE_EVENT_PHASE_ASYNC_END, category_group, name, id,            \
       TRACE_EVENT_API_CURRENT_THREAD_ID, timestamp, TRACE_EVENT_FLAG_NONE)
+#define TRACE_EVENT_ASYNC_END_WITH_TIMESTAMP1(category_group, name, id,       \
+                                              timestamp, arg1_name, arg1_val) \
+  INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(                         \
+      TRACE_EVENT_PHASE_ASYNC_END, category_group, name, id,                  \
+      TRACE_EVENT_API_CURRENT_THREAD_ID, timestamp, TRACE_EVENT_FLAG_NONE,    \
+      arg1_name, arg1_val)
 
 // NESTABLE_ASYNC_* APIs are used to describe an async operation, which can
 // be nested within a NESTABLE_ASYNC event and/or have inner NESTABLE_ASYNC
 // events.
 // - category and name strings must have application lifetime (statics or
 //   literals). They may not include " chars.
 // - A pair of NESTABLE_ASYNC_BEGIN event and NESTABLE_ASYNC_END event is
 //   considered as a match if their category_group, name and id all match.
 // - |id| must either be a pointer or an integer value up to 64 bits.
 //   If it's a pointer, the bits will be xored with a hash of the process ID so
@@ skipping 330 matching lines @@
 
 // Enum reflecting the scope of an INSTANT event. Must fit within
 // TRACE_EVENT_FLAG_SCOPE_MASK.
 #define TRACE_EVENT_SCOPE_GLOBAL (static_cast<unsigned char>(0 << 3))
 #define TRACE_EVENT_SCOPE_PROCESS (static_cast<unsigned char>(1 << 3))
 #define TRACE_EVENT_SCOPE_THREAD (static_cast<unsigned char>(2 << 3))
 
 #define TRACE_EVENT_SCOPE_NAME_GLOBAL ('g')
 #define TRACE_EVENT_SCOPE_NAME_PROCESS ('p')
 #define TRACE_EVENT_SCOPE_NAME_THREAD ('t')