New command line flag to disable AppContainer restrictions for renderer.

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"
 
 #include <algorithm>
@@ skipping 321 matching lines @@
 
   ~RendererSandboxedProcessLauncherDelegate() override {}
 
 #if defined(OS_WIN)
   virtual void PreSpawnTarget(sandbox::TargetPolicy* policy,
                               bool* success) {
     AddBaseHandleClosePolicy(policy);
 
     if (base::win::GetVersion() == base::win::VERSION_WIN8 ||
         base::win::GetVersion() == base::win::VERSION_WIN8_1) {
-      // TODO(shrikant): Check if these constants should be different across
-      // various versions of Chromium code base or could be same.
-      // If there should be different SID per channel then move this code
-      // in chrome rather than content and assign SID based on
-      // VersionInfo::GetChannel().
-      const wchar_t kAppContainerSid[] =
-          L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
-          L"924012148-129201922";
+      const base::CommandLine& command_line =
+          *base::CommandLine::ForCurrentProcess();
+      if (!command_line.HasSwitch(switches::kDisableAppContainer)) {
+        // TODO(shrikant): Check if these constants should be different across
+        // various versions of Chromium code base or could be same.
+        // If there should be different SID per channel then move this code
+        // in chrome rather than content and assign SID based on
+        // VersionInfo::GetChannel().
+        const wchar_t kAppContainerSid[] =
+            L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
+            L"924012148-129201922";
 
-      policy->SetLowBox(kAppContainerSid);
+        policy->SetLowBox(kAppContainerSid);
+      }
     }
 
     GetContentClient()->browser()->PreSpawnRenderer(policy, success);
   }
 
 #elif defined(OS_POSIX)
   bool ShouldUseZygote() override {
     const base::CommandLine& browser_command_line =
         *base::CommandLine::ForCurrentProcess();
     base::CommandLine::StringType renderer_prefix =
@@ skipping 2122 matching lines @@
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 }  // namespace content