Exclude PluginService for builds with enable_plugins==0

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
diff --git a/content/browser/browser_main_loop.cc b/content/browser/browser_main_loop.cc
index fd98057a01f35c3fbfb17426fd45ce00a5a4228b..84a9622eae7df8d98d14abde16b8add4491d740c 100644
--- a/content/browser/browser_main_loop.cc
+++ b/content/browser/browser_main_loop.cc
@@ -352,13 +352,15 @@ void BrowserMainLoop::MainMessageLoopStart() {
   }
 
   online_state_observer_.reset(new BrowserOnlineStateObserver);
+#endif  // !defined(OS_IOS)
 
+#if defined(ENABLE_PLUGINS)
   // Prior to any processing happening on the io thread, we create the
   // plugin service as it is predominantly used from the io thread,
   // but must be created on the main thread. The service ctor is
   // inexpensive and does not invoke the io_thread() accessor.
   PluginService::GetInstance()->Init();
-#endif  // !defined(OS_IOS)
+#endif
 
 #if defined(OS_WIN)
   system_message_window_.reset(new SystemMessageWindowWin);