Support tracking of IPC messages as tasks in profiler

ipc/ipc_message_macros.h

Index: ipc/ipc_message_macros.h
===================================================================
--- ipc/ipc_message_macros.h	(revision 108629)
+++ ipc/ipc_message_macros.h	(working copy)
@@ -20,7 +20,7 @@
 //
 // The XXXMsgStart value is an enumeration that ensures uniqueness for
 // each different message file.  Later, you will use this inside your
-// XXX_messages.h file before invoking message declatation macros:
+// XXX_messages.h file before invoking message declaration macros:
 //     #define IPC_MESSAGE_START XXXMsgStart
 //       ( ... your macro invocations go here ... )
 //
@@ -176,6 +176,7 @@
 #ifndef IPC_IPC_MESSAGE_MACROS_H_
 #define IPC_IPC_MESSAGE_MACROS_H_
 
+#include "base/profiler/scoped_profile.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/param_traits_macros.h"
 
@@ -940,20 +941,24 @@
     bool msg_is_ok__ = true; \
     switch (ipc_message__.type()) { \
 
-#define IPC_MESSAGE_FORWARD(msg_class, obj, member_func) \
-  case msg_class::ID: \
-    msg_is_ok__ = msg_class::Dispatch(&ipc_message__, obj, this, \
-                                      &member_func); \
-    break;
+#define IPC_MESSAGE_FORWARD(msg_class, obj, member_func)                       \
+    case msg_class::ID: {                                                      \
+        TRACK_RUN_IN_IPC_HANDLER(member_func);                                 \
+        msg_is_ok__ = msg_class::Dispatch(&ipc_message__, obj, this,           \
+                                      &member_func);                           \
+      }                                                                        \
+      break;
 
 #define IPC_MESSAGE_HANDLER(msg_class, member_func) \
   IPC_MESSAGE_FORWARD(msg_class, this, _IpcMessageHandlerClass::member_func)
 
-#define IPC_MESSAGE_FORWARD_DELAY_REPLY(msg_class, obj, member_func) \
-    case msg_class::ID: \
-    msg_is_ok__ = msg_class::DispatchDelayReply(&ipc_message__, obj, \
-                                                &member_func); \
-    break;
+#define IPC_MESSAGE_FORWARD_DELAY_REPLY(msg_class, obj, member_func)           \
+    case msg_class::ID: {                                                      \
+        TRACK_RUN_IN_IPC_HANDLER(member_func);                                 \
+        msg_is_ok__ = msg_class::DispatchDelayReply(&ipc_message__, obj,       \
+                                                  &member_func);               \
+      }                                                                        \
+      break;
 
 #define IPC_MESSAGE_HANDLER_DELAY_REPLY(msg_class, member_func) \
   IPC_MESSAGE_FORWARD_DELAY_REPLY(msg_class, this, \
@@ -964,9 +969,11 @@
     code; \
     break;
 
-#define IPC_REPLY_HANDLER(func) \
-   case IPC_REPLY_ID: \
-     func(ipc_message__); \
+#define IPC_REPLY_HANDLER(func)                                                \
+   case IPC_REPLY_ID: {                                                        \
+         TRACK_RUN_IN_IPC_HANDLER(func);                                       \
+         func(ipc_message__);                                                  \
+     }                                                                         \
      break;