Revert unintentional part of previous change

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69287 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/chrome_main.cc

@@ -875,7 +875,6 @@ int ChromeMain(int argc, char** argv) {
   if (process_type == switches::kRendererProcess ||
       process_type == switches::kExtensionProcess ||
       process_type == switches::kNaClLoaderProcess ||
-      process_type == switches::kPpapiPluginProcess ||
       process_type == switches::kGpuProcess) {
     initialize_sandbox = false;
   }