Update installer to use the new version of LaunchProcess.

chrome/installer/util/product.cc

Index: chrome/installer/util/product.cc
diff --git a/chrome/installer/util/product.cc b/chrome/installer/util/product.cc
index 96a42e34a4f1f2e9be9dee0834cac17dfc5317c9..d5dd118707bd28fb1294eed282b284ec464c9eb7 100644
--- a/chrome/installer/util/product.cc
+++ b/chrome/installer/util/product.cc
@@ -66,7 +66,7 @@ bool Product::LaunchChrome(const base::FilePath& application_path) const {
   bool success = !application_path.empty();
   if (success) {
     CommandLine cmd(application_path.Append(installer::kChromeExe));
-    success = base::LaunchProcess(cmd, base::LaunchOptions(), NULL);
+    success = base::LaunchProcess(cmd, base::LaunchOptions()).IsValid();
   }
   return success;
 }