chrome: respect --child-clean-exit.

content/public/common/content_switches.cc

 // 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.
 
 #include "content/public/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 820 matching lines @@
 #endif
 
 #if defined(OS_CHROMEOS)
 // Disables panel fitting (used for mirror mode).
 const char kDisablePanelFitting[]           = "disable-panel-fitting";
 #endif
 
 #if defined(OS_POSIX)
 // Causes the child processes to cleanly exit via calling exit().
 const char kChildCleanExit[]                = "child-clean-exit";
+const char kWaitForChildrenBeforeExiting[]  =
+    "wait-for-children-before-exiting";
 #endif
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 const char kDisableCarbonInterposing[]      = "disable-carbon-interposing";
 
 // Use core animation to draw the RenderWidgetHostView on Mac.
 const char kUseCoreAnimation[]              = "use-core-animation";
 #endif
 
 // Disables the use of a 3D software rasterizer.
@@ skipping 42 matching lines @@
 const char kEnableWebGLDraftExtensions[] = "enable-webgl-draft-extensions";
 
 // Enables/disables accelerated compositing for backgrounds of root layers with
 // background-attachment: fixed. Requires kForceCompositingMode.
 const char kDisableAcceleratedFixedRootBackground[] =
     "disable-accelerated-fixed-root-background";
 const char kEnableAcceleratedFixedRootBackground[] =
     "enable-accelerated-fixed-root-background";
 
 }  // namespace switches