headless: Add support for minidump generation on Linux

headless/app/headless_shell.cc

Index: headless/app/headless_shell.cc
diff --git a/headless/app/headless_shell.cc b/headless/app/headless_shell.cc
index 06940881c3f58f14d53e8fa4f5461c57b2398c8a..66f2abeebb182dd9301445b758132c8f4299302a 100644
--- a/headless/app/headless_shell.cc
+++ b/headless/app/headless_shell.cc
@@ -7,6 +7,7 @@
 #include <string>
 
 #include "base/base64.h"
+#include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ -441,6 +442,13 @@ int HeadlessShellMain(int argc, const char** argv) {
   if (!ValidateCommandLine(command_line))
     return EXIT_FAILURE;
 
+  if (command_line.HasSwitch(::switches::kEnableCrashReporter))
+    builder.SetCrashReporterEnabled(true);
+  if (command_line.HasSwitch(switches::kCrashDumpsDir)) {
+    builder.SetCrashDumpsDir(
+        command_line.GetSwitchValuePath(switches::kCrashDumpsDir));
+  }
+
   if (command_line.HasSwitch(::switches::kRemoteDebuggingPort)) {
     std::string address = kDevToolsHttpServerAddress;
     if (command_line.HasSwitch(switches::kRemoteDebuggingAddress)) {