Adding ThreadChecker validation to d'tors for client classes

remoting/client/display/gl_renderer.cc

 // Copyright 2016 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/client/display/gl_renderer.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 15 matching lines @@
 }
 
 }  // namespace
 
 GlRenderer::GlRenderer() :
     weak_factory_(this) {
   weak_ptr_ = weak_factory_.GetWeakPtr();
   thread_checker_.DetachFromThread();
 }
 
-GlRenderer::~GlRenderer() {}
+GlRenderer::~GlRenderer() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+}
 
 void GlRenderer::SetDelegate(base::WeakPtr<GlRendererDelegate> delegate) {
   DCHECK(!delegate_);
   delegate_ = delegate;
 }
 
 void GlRenderer::RequestCanvasSize() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (delegate_) {
     delegate_->OnSizeChanged(canvas_width_, canvas_height_);
@@ skipping 127 matching lines @@
 
 std::unique_ptr<GlRenderer> GlRenderer::CreateGlRendererWithDesktop() {
   std::unique_ptr<GlRenderer> renderer(new GlRenderer());
   renderer->AddDrawable(renderer->desktop_.GetWeakPtr());
   renderer->AddDrawable(renderer->cursor_.GetWeakPtr());
   renderer->AddDrawable(renderer->cursor_feedback_.GetWeakPtr());
   return renderer;
 }
 
 }  // namespace remoting