Remove kEnableBrowserPluginForAllViewTypes flag

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 024a98615eff9fb329985c499d54a3d64a0502c2..88007faa9433eecee2e825690841e8b7c7b7f4bc 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -840,9 +840,7 @@ void ChromeContentBrowserClient::GuestWebContentsCreated(
   /// TODO(fsamuel): In the future, certain types of GuestViews won't require
   // extension bindings. At that point, we should clear |extension_id| instead
   // of exiting early.
-  if (!service->GetExtensionById(extension_id, false) &&
-      !CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableBrowserPluginForAllViewTypes)) {
+  if (!service->GetExtensionById(extension_id, false)) {
     NOTREACHED();
     return;
   }