Revert of Upgrade the windows specific version of LaunchProcess to avoid raw handles.

chrome/installer/util/google_update_util.cc

Index: chrome/installer/util/google_update_util.cc
diff --git a/chrome/installer/util/google_update_util.cc b/chrome/installer/util/google_update_util.cc
index db07f844aa9a51c398115eab78930f541494d989..68e46754a892cd0b42022993d1a71883e6eaecfe 100644
--- a/chrome/installer/util/google_update_util.cc
+++ b/chrome/installer/util/google_update_util.cc
@@ -89,13 +89,13 @@
 bool LaunchProcessAndWaitWithTimeout(const base::string16& cmd_string,
                                      base::TimeDelta timeout) {
   bool success = false;
+  base::win::ScopedHandle process;
   int exit_code = 0;
   VLOG(0) << "Launching: " << cmd_string;
-  base::Process process =
-      base::LaunchProcess(cmd_string, base::LaunchOptions());
-  if (!process.IsValid()) {
+  if (!base::LaunchProcess(cmd_string, base::LaunchOptions(),
+                           &process)) {
     PLOG(ERROR) << "Failed to launch (" << cmd_string << ")";
-  } else if (!base::WaitForExitCodeWithTimeout(process.Handle(), &exit_code,
+  } else if (!base::WaitForExitCodeWithTimeout(process.Get(), &exit_code,
                                                timeout)) {
     // The GetExitCodeProcess failed or timed-out.
     LOG(ERROR) <<"Command (" << cmd_string << ") is taking more than "