Update from https://crrev.com/308331

net/tools/crash_cache/crash_cache.cc

Index: net/tools/crash_cache/crash_cache.cc
diff --git a/net/tools/crash_cache/crash_cache.cc b/net/tools/crash_cache/crash_cache.cc
index d548c79778a4ea43657dd5e0f6fe33a0c68b2df7..9ec15bb56e19191516e50827b6c45d4eac8f01ce 100644
--- a/net/tools/crash_cache/crash_cache.cc
+++ b/net/tools/crash_cache/crash_cache.cc
@@ -17,7 +17,6 @@
 #include "base/path_service.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
-#include "base/process/process_handle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ -50,15 +49,15 @@ int RunSlave(RankCrashes action) {
   base::CommandLine cmdline(exe);
   cmdline.AppendArg(base::IntToString(action));
 
-  base::ProcessHandle handle;
-  if (!base::LaunchProcess(cmdline, base::LaunchOptions(), &handle)) {
+  base::Process process = base::LaunchProcess(cmdline, base::LaunchOptions());
+  if (!process.IsValid()) {
     printf("Unable to run test %d\n", action);
     return GENERIC;
   }
 
   int exit_code;
 
-  if (!base::WaitForExitCode(handle, &exit_code)) {
+  if (!process.WaitForExit(&exit_code)) {
     printf("Unable to get return code, test %d\n", action);
     return GENERIC;
   }