Deprecate NonThreadSafe in remoting in favor of SequenceChecker.

remoting/host/continue_window_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/continue_window.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 37 matching lines @@
  private:
   base::scoped_nsobject<ContinueWindowMacController> controller_;
 
   DISALLOW_COPY_AND_ASSIGN(ContinueWindowMac);
 };
 
 ContinueWindowMac::ContinueWindowMac() {
 }
 
 ContinueWindowMac::~ContinueWindowMac() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
 }
 
 void ContinueWindowMac::ShowUi() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
 
   base::mac::ScopedNSAutoreleasePool pool;
   controller_.reset(
       [[ContinueWindowMacController alloc] initWithWindow:this]);
   [controller_ show];
 }
 
 void ContinueWindowMac::HideUi() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
 
   base::mac::ScopedNSAutoreleasePool pool;
   [controller_ hide];
 }
 
 // static
 std::unique_ptr<HostWindow> HostWindow::CreateContinueWindow() {
   return base::MakeUnique<ContinueWindowMac>();
 }
 
@@ skipping 76 matching lines @@
   [self hide];
   continue_window_->DisconnectSession();
 }
 
 - (void)onContinue:(id)sender {
   [self hide];
   continue_window_->ContinueSession();
 }
 
 @end