Adding ThreadChecker validation to d'tors for client classes

remoting/client/display/gl_desktop.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_desktop.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "remoting/client/display/canvas.h"
 #include "remoting/client/display/gl_math.h"
@@ skipping 41 matching lines @@
 
 }  // namespace
 
 struct GlDesktop::GlDesktopTextureContainer {
   std::unique_ptr<GlRenderLayer> layer;
   webrtc::DesktopRect rect;
 };
 
 GlDesktop::GlDesktop() : weak_factory_(this) {}
 
-GlDesktop::~GlDesktop() {}
+GlDesktop::~GlDesktop() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+}
 
 void GlDesktop::SetCanvas(base::WeakPtr<Canvas> canvas) {
   last_desktop_size_.set(0, 0);
   textures_.clear();
   canvas_ = canvas;
   if (canvas) {
     max_texture_size_ = canvas->GetMaxTextureSize();
   }
 }
 
@@ skipping 57 matching lines @@
     }
   }
 }
 
 base::WeakPtr<Drawable> GlDesktop::GetWeakPtr() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace remoting