Added code so renderer would cleanly exit.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #if defined(OS_WIN)
@@ skipping 715 matching lines @@
     switches::kNoReferrers,
     switches::kNoSandbox,
     switches::kPlaybackMode,
     switches::kPpapiOutOfProcess,
     switches::kRecordMode,
     switches::kRegisterPepperPlugins,
     switches::kRendererAssertTest,
 #if !defined(OFFICIAL_BUILD)
     switches::kRendererCheckFalseTest,
 #endif  // !defined(OFFICIAL_BUILD)
+#if defined(OS_POSIX)
+    switches::kRendererCleanExit,
+#endif
     switches::kRendererCrashTest,
     switches::kRendererStartupDialog,
     switches::kShowPaintRects,
     switches::kTestSandbox,
     switches::kTraceStartup,
     // This flag needs to be propagated to the renderer process for
     // --in-process-webgl.
     switches::kUseGL,
     switches::kUserAgent,
     switches::kV,
@@ skipping 597 matching lines @@
 void RenderProcessHostImpl::OnRevealFolderInOS(const FilePath& path) {
   // Only honor the request if appropriate persmissions are granted.
   if (ChildProcessSecurityPolicyImpl::GetInstance()->CanReadFile(GetID(),
                                                                  path))
     content::GetContentClient()->browser()->OpenItem(path);
 }
 
 void RenderProcessHostImpl::OnSavedPageAsMHTML(int job_id, int64 data_size) {
   MHTMLGenerationManager::GetInstance()->MHTMLGenerated(job_id, data_size);
 }