Revert 79470 - Ensure that BrowserMessageFilter isn't used to process a sync message on the UI th...

content/browser/browser_message_filter.h

Index: content/browser/browser_message_filter.h
===================================================================
--- content/browser/browser_message_filter.h	(revision 79485)
+++ content/browser/browser_message_filter.h	(working copy)
@@ -48,11 +48,6 @@
   // Can be called on any thread, after OnChannelConnected is called.
   base::ProcessHandle peer_handle() { return peer_handle_; }
 
-  // Checks that the given message can be dispatched on the UI thread, depending
-  // on the platform.  If not, returns false and an error ot the sender.
-  static bool CheckCanDispatchOnUI(const IPC::Message& message,
-                                   IPC::Message::Sender* sender);
-
  protected:
   // Call this if a message couldn't be deserialized.  This kills the renderer.
   // Can be called on any thread.