CFI: Enable stack traces in renderer process in non-official CFI builds.

content/renderer/renderer_main.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 "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/debug/leak_annotations.h"
 #include "base/debug/stack_trace.h"
 #include "base/i18n/rtl.h"
@@ skipping 155 matching lines @@
     // instruction down.
     RenderProcessImpl render_process;
     RenderThreadImpl::Create(main_message_loop.Pass(),
                              renderer_scheduler.Pass());
 #endif
     bool run_loop = true;
     if (!no_sandbox) {
       run_loop = platform.EnableSandbox();
     } else {
       LOG(ERROR) << "Running without renderer sandbox";
-#ifndef NDEBUG
+#if !defined(NDEBUG) || (defined(CFI_ENFORCEMENT) && !defined(OFFICIAL_BUILD))
       // For convenience, we print the stack traces for crashes.  When sandbox
       // is enabled, the in-process stack dumping is enabled as part of the
       // EnableSandbox() call.
       base::debug::EnableInProcessStackDumping();
 #endif
     }
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
     RenderProcessImpl render_process;
     RenderThreadImpl::Create(main_message_loop.Pass(),
                              renderer_scheduler.Pass());
@@ skipping 14 matching lines @@
     // ignore shutdown-only leaks.
     __lsan_do_leak_check();
 #endif
   }
   platform.PlatformUninitialize();
   TRACE_EVENT_END_ETW("RendererMain", 0, "");
   return 0;
 }
 
 }  // namespace content