Remove details from BROWSER_CLOSING and BROWSER_CLOSED notifications.

chrome/common/automation_messages_internal.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.
 
 // Defines the IPC messages used by the automation interface.
 
 // NOTE: All IPC messages have either a routing_id of 0 (for asynchronous
 //       messages), or one that's been assigned by the proxy (for calls
 //       which expect a response).  The routing_id shouldn't be used for
 //       any other purpose in these message types.
@@ skipping 294 matching lines @@
 IPC_SYNC_MESSAGE_CONTROL2_1(AutomationMsg_CloseTab,
                             int,
                             bool,
                             bool)
 
 // This message requests that the browser be closed.
 // Request:
 //   - int: handle of the browser which contains the tab
 // Response:
 //  - bool: whether the operation was successfull.
-//  - bool: whether the browser process will be terminated as a result (if
-//          this was the last closed browser window).
-IPC_SYNC_MESSAGE_CONTROL1_2(AutomationMsg_CloseBrowser,
+IPC_SYNC_MESSAGE_CONTROL1_1(AutomationMsg_CloseBrowser,
                             int,
-                            bool,
                             bool)
 
 #if defined(OS_WIN)
 // TODO(port): Port these messages.
 //
 // This message is an outgoing message from Chrome to an external host.
 // It is a request to process a keyboard accelerator.
 // Request:
 //   -MSG: The keyboard message
 // Response:
@@ skipping 671 matching lines @@
 
 // Sent when the automation mouse event has been processed.
 IPC_MESSAGE_ROUTED2(AutomationMsg_ProcessMouseEventACK,
                     bool /* success */,
                     std::string /* error message */)
 
 // YOUR NEW MESSAGE MIGHT NOT BELONG HERE.
 // This is the section for renderer -> browser automation messages. If it is
 // an automation <-> browser message, put it above this section. The "no line
 // number change" applies only to the automation <-> browser messages.