Miscellaneous tiny cleanups done while converting files to use ScopedCOMInitializer, pulled out sep…

chrome_frame/update_launcher.cc

Index: chrome_frame/update_launcher.cc
===================================================================
--- chrome_frame/update_launcher.cc	(revision 158860)
+++ chrome_frame/update_launcher.cc	(working copy)
@@ -21,13 +21,9 @@
 // exit code, or kLaunchFailureExitCode if an error occurs in the waiting.
 DWORD WaitForProcessExitCode(HANDLE handle) {
   DWORD exit_code = 0;
-
-  DWORD wait_result = ::WaitForSingleObject(handle, INFINITE);
-
-  if (wait_result == WAIT_OBJECT_0 && ::GetExitCodeProcess(handle, &exit_code))
-    return exit_code;
-
-  return kLaunchFailureExitCode;
+  return ((::WaitForSingleObject(handle, INFINITE) == WAIT_OBJECT_0) &&
+          ::GetExitCodeProcess(handle, &exit_code)) ?
+      exit_code : kLaunchFailureExitCode;
 }
 
 }  // namespace