Convert SetIsIncognitoProcess to use mojo.

chrome/common/render_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.
 
 // Multiply-included file, no traditional include guard.
 #include <stdint.h>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
@@ skipping 232 matching lines @@
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxThemeChanged,
                     ThemeBackgroundInfo /* value */)
 
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_HistorySyncCheckResult,
                     bool /* sync_history */)
 
 IPC_MESSAGE_ROUTED2(ChromeViewMsg_ChromeIdentityCheckResult,
                     base::string16 /* identity */,
                     bool /* identity_match */)
 
-// Sent on process startup to indicate whether this process is running in
-// incognito mode.
-IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetIsIncognitoProcess,
-                     bool /* is_incognito_processs */)
-
 // Sent in response to FrameHostMsg_DidBlockRunningInsecureContent.
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetAllowRunningInsecureContent,
                     bool /* allowed */)
 
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_ReloadFrame)
 
 // Tells the renderer whether or not a file system access has been allowed.
 IPC_MESSAGE_ROUTED2(ChromeViewMsg_RequestFileSystemAccessAsyncResponse,
                     int  /* request_id */,
                     bool /* allowed */)
@@ skipping 327 matching lines @@
 
 #if BUILDFLAG(ENABLE_PLUGINS)
 // Sent by the renderer to check if crash reporting is enabled.
 IPC_SYNC_MESSAGE_CONTROL0_1(ChromeViewHostMsg_IsCrashReportingEnabled,
                             bool /* enabled */)
 #endif
 
 // Sent by the renderer to indicate that a fields trial has been activated.
 IPC_MESSAGE_CONTROL1(ChromeViewHostMsg_FieldTrialActivated,
                      std::string /* name */)