Make sanitizer signal handlers work again.

content/browser/zygote_host/zygote_communication_linux.cc

Index: content/browser/zygote_host/zygote_communication_linux.cc
diff --git a/content/browser/zygote_host/zygote_communication_linux.cc b/content/browser/zygote_host/zygote_communication_linux.cc
index 03780e7f31b61f7101dd43ac5aec06d6d5d6471c..a222665d5f61de7ad3130c169615f14178f585e0 100644
--- a/content/browser/zygote_host/zygote_communication_linux.cc
+++ b/content/browser/zygote_host/zygote_communication_linux.cc
@@ -250,6 +250,7 @@ void ZygoteCommunication::Init() {
   // Should this list be obtained from browser_render_process_host.cc?
   static const char* const kForwardSwitches[] = {
       switches::kAllowSandboxDebugging, switches::kAndroidFontsPath,
+      switches::kDisableInProcessStackTraces,
       switches::kDisableSeccompFilterSandbox, switches::kEnableHeapProfiling,
       switches::kEnableLogging,  // Support, e.g., --enable-logging=stderr.
       // Need to tell the zygote that it is headless so that we don't try to use