This adds some plumbing for propagating the reason for a renderer's death

chrome/test/chrome_process_util.cc

Index: chrome/test/chrome_process_util.cc
diff --git a/chrome/test/chrome_process_util.cc b/chrome/test/chrome_process_util.cc
index 11228e2004fd4fb4e588a0193241f4ddb3c1f155..7de99084b4ae82e6c7871ebf430fe65a4a60f96a 100644
--- a/chrome/test/chrome_process_util.cc
+++ b/chrome/test/chrome_process_util.cc
@@ -27,7 +27,7 @@ void TerminateAllChromeProcesses(base::ProcessId browser_pid) {
       continue;
     }
 
-    base::KillProcess(handle, ResultCodes::TASKMAN_KILL, true);
+    base::KillProcess(handle, ResultCodes::KILLED, true);
     base::CloseProcessHandle(handle);
   }
 }
@@ -117,4 +117,3 @@ ChromeTestProcessMetrics::ChromeTestProcessMetrics(
 #endif
   process_handle_ = process;
 }
-