import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

gfx/gl/GLContextProviderNull.cpp

@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "GLContextProvider.h"
+
+namespace mozilla {
+namespace gl {
+
+using namespace mozilla::widget;
+
+already_AddRefed<GLContext>
+GLContextProviderNull::CreateForCompositorWidget(CompositorWidget* aCompositorWidget, bool aForceAccelerated)
+{
+    return nullptr;
+}
+
+already_AddRefed<GLContext>
+GLContextProviderNull::CreateForWindow(nsIWidget* aWidget, bool aForceAccelerated)
+{
+    return nullptr;
+}
+
+already_AddRefed<GLContext>
+GLContextProviderNull::CreateWrappingExisting(void*, void*)
+{
+    return nullptr;
+}
+
+already_AddRefed<GLContext>
+GLContextProviderNull::CreateOffscreen(const gfx::IntSize&,
+                                       const SurfaceCaps&,
+                                       CreateContextFlags,
+                                       nsACString* const out_failureId)
+{
+    *out_failureId = NS_LITERAL_CSTRING("FEATURE_FAILURE_NULL");
+    return nullptr;
+}
+
+already_AddRefed<GLContext>
+GLContextProviderNull::CreateHeadless(CreateContextFlags, nsACString* const out_failureId)
+{
+    *out_failureId = NS_LITERAL_CSTRING("FEATURE_FAILURE_NULL");
+    return nullptr;
+}
+
+GLContext*
+GLContextProviderNull::GetGlobalContext()
+{
+    return nullptr;
+}
+
+void
+GLContextProviderNull::Shutdown()
+{
+}
+
+} /* namespace gl */
+} /* namespace mozilla */