Do not CHECK that handle returned by eglQuerySurfacePointerANGLE is non-null.

ui/gl/gl_surface_egl.cc

 // 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 "ui/gl/gl_surface_egl.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "build/build_config.h"
@@ skipping 444 matching lines @@
     return NULL;
 
   void* handle;
   if (!eglQuerySurfacePointerANGLE(g_display,
                                    GetHandle(),
                                    EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE,
                                    &handle)) {
     return NULL;
   }
 
-  CHECK(handle);
-
   return handle;
 #endif
 }
 
 PbufferGLSurfaceEGL::~PbufferGLSurfaceEGL() {
   Destroy();
 }
 
 }  // namespace gfx