Delivering the FIRST_NONEMPTY_PAINT phase changing event to base/

content/common/child_process_messages.h

 // Copyright (c) 2012 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.
 
 // Common IPC messages used for child processes.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 #include <vector>
 
@@ skipping 85 matching lines @@
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled,
                      bool /* on or off */)
 #endif
 
 // Tell the child process to enable or disable the profiler status.
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus,
                      tracked_objects::ThreadData::Status /* profiler status */)
 
 // Send to all the child processes to send back profiler data (ThreadData in
 // tracked_objects).
-IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildProfilerData,
-                     int /* sequence_number */)
+IPC_MESSAGE_CONTROL2(ChildProcessMsg_GetChildProfilerData,
+                     int /* sequence_number */,
+                     int /* current_profiling_phase */)
+
+// Send to all the child processes to send back profiler data (ThreadData in
+// tracked_objects).

[Ilya Sherman, 2015/04/07 01:15:31]

Why is this comment the same as the one above?  How do the two IPC methods
differ?  (Please reply by clarifying the comments, not by replying to this CL
comment.)

[vadimt, 2015/04/07 21:44:14]

Done.

+IPC_MESSAGE_CONTROL1(ChildProcessMsg_OnProfilingPhase,

[Ilya Sherman, 2015/04/07 01:15:31]

nit: "OnProfilingPhase" -> "ProfilingPhaseCompleted"

[vadimt, 2015/04/07 21:44:14]

Done.

[vadimt, 2015/04/07 21:44:15]

Done.

+                     int /* profiling_phase */)
 
 // Send to all the child processes to send back histogram data.
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildHistogramData,
                      int /* sequence_number */)
 
 // Sent to child processes to dump their handle table.
 IPC_MESSAGE_CONTROL0(ChildProcessMsg_DumpHandles)
 
 // Sent to child processes to tell them to enter or leave background mode.
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProcessBackgrounded,
@@ skipping 87 matching lines @@
 IPC_SYNC_MESSAGE_CONTROL2_1(
     ChildProcessHostMsg_SyncAllocateLockedDiscardableSharedMemory,
     uint32 /* size */,
     content::DiscardableSharedMemoryId,
     base::SharedMemoryHandle)
 
 // Informs the browser that the child deleted a block of discardable shared
 // memory.
 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedDiscardableSharedMemory,
                      content::DiscardableSharedMemoryId)