Add a command-line switch to disable in-process stack traces

content/app/content_main_runner.cc

Index: content/app/content_main_runner.cc
diff --git a/content/app/content_main_runner.cc b/content/app/content_main_runner.cc
index 2151a26fb62c4d296f43fa58ea64bb82265f20f8..5f5f8e5cd2e4f24fc70aadafbd9586162a6a263e 100644
--- a/content/app/content_main_runner.cc
+++ b/content/app/content_main_runner.cc
@@ -205,7 +205,10 @@ void CommonSubprocessInit(const std::string& process_type) {
 #if !defined(OFFICIAL_BUILD)
   // Print stack traces to stderr when crashes occur. This opens up security
   // holes so it should never be enabled for official builds.
-  base::debug::EnableInProcessStackDumping();
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableInProcessStackTraces)) {
+    base::debug::EnableInProcessStackDumping();
+  }
 #if defined(OS_WIN)
   base::RouteStdioToConsole(false);
   LoadLibraryA("dbghelp.dll");