Remove pnacl_profile_observer from pnacl's use of component updater.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 4f9f0945f9ad0d579897bae7b747c03bac14cda3..6a94bcf53b167a74ce0ea4c63cf52dac694e85f0 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -387,14 +387,8 @@ void RegisterComponentsForUpdate(const CommandLine& command_line) {
   RegisterRecoveryComponent(cus, g_browser_process->local_state());
   RegisterPepperFlashComponent(cus);
   RegisterSwiftShaderComponent(cus);
-#endif
-
-#if !defined(OS_ANDROID)
   g_browser_process->pnacl_component_installer()->RegisterPnaclComponent(
       cus, command_line);
-#endif
-
-#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
   RegisterWidevineCdmComponent(cus);
 #endif