Add a crash key to record whether a windows machine is domain joined.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index ef8d8ccada69f44a348f08479ff86379c8f99f86..e87c447cbbeff73071900e44ec75f3f9452c132c 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -64,6 +64,7 @@
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/geolocation/chrome_access_token_store.h"
+#include "chrome/browser/google/google_brand.h"
 #include "chrome/browser/gpu/gpu_profile_cache.h"
 #include "chrome/browser/gpu/three_d_api_observer.h"
 #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
@@ -988,6 +989,14 @@ int ChromeBrowserMainParts::PreCreateThreads() {
 int ChromeBrowserMainParts::PreCreateThreadsImpl() {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreadsImpl")
   run_message_loop_ = false;
+
+// Record whether the machine is domain joined (Win only) in a crash key. This
+// will be used to better identify whether crashes are from enterprise users.
+#if defined(OS_WIN)
+  base::debug::SetCrashKeyValue(crash_keys::kDomainJoined,
+                                base::win::IsEnrolledToDomain() ? "yes" : "no");
+#endif
+
 #if !defined(OS_ANDROID)
   chrome::MaybeShowInvalidUserDataDirWarningDialog();
 #endif  // !defined(OS_ANDROID)