Mojo: Trivial style fixes.

mojo/services/view_manager/window_tree_host_impl.cc

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Copyright 2013 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 "mojo/services/view_manager/window_tree_host_impl.h"
 
 #include "mojo/public/c/gles2/gles2.h"
 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
 #include "mojo/services/view_manager/context_factory_impl.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
@@ skipping 29 matching lines @@
   native_viewport_->CreateGLES2Context(
       MakeRequest<CommandBuffer>(pipe.handle0.Pass()));
 
   // The ContextFactory must exist before any Compositors are created.
   if (context_factory_) {
     delete context_factory_;
     context_factory_ = NULL;
   }
   context_factory_ = new ContextFactoryImpl(pipe.handle1.Pass());
   aura::Env::GetInstance()->set_context_factory(context_factory_);
-  CHECK(context_factory_) << "No GL bindings.";
 }
 
 WindowTreeHostImpl::~WindowTreeHostImpl() {
   DestroyCompositor();
   DestroyDispatcher();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WindowTreeHostImpl, aura::WindowTreeHost implementation:
 
@@ skipping 114 matching lines @@
       break;
     }
     // TODO(beng): touch, etc.
   }
   callback.Run();
 };
 
 }  // namespace service
 }  // namespace view_manager
 }  // namespace mojo