gl, ozone: add new GLImageBindTest unittests and make ozone run it.

ui/gl/test/gl_image_test_support.cc

 // Copyright 2015 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 "ui/gl/test/gl_image_test_support.h"
 
 #include <vector>
 
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/test/gl_surface_test_support.h"
 
-#if defined(USE_OZONE)
-#include "base/message_loop/message_loop.h"
-#endif
-
 namespace gl {
 
 // static
 void GLImageTestSupport::InitializeGL() {
-#if defined(USE_OZONE)
-  // On Ozone, the backend initializes the event system using a UI thread.
-  base::MessageLoopForUI main_loop;
-#endif
-
   std::vector<gfx::GLImplementation> allowed_impls;
   GetAllowedGLImplementations(&allowed_impls);
   DCHECK(!allowed_impls.empty());
 
   gfx::GLImplementation impl = allowed_impls[0];
   gfx::GLSurfaceTestSupport::InitializeOneOffImplementation(impl, true);
 }
 
 // static
 void GLImageTestSupport::CleanupGL() {
@@ skipping 89 matching lines @@
     case gfx::BufferFormat::RGBA_4444:
     case gfx::BufferFormat::UYVY_422:
     case gfx::BufferFormat::YUV_420:
       NOTREACHED();
       return;
   }
   NOTREACHED();
 }
 
 }  // namespace gl