Remove offscreen compositor contexts.

mojo/examples/aura_demo/demo_context_factory.cc

Index: mojo/examples/aura_demo/demo_context_factory.cc
diff --git a/mojo/examples/aura_demo/demo_context_factory.cc b/mojo/examples/aura_demo/demo_context_factory.cc
index 404020812687b4091fc5dc1452d0245e955aa315..065221733a4b99c06b50389d419c4faebc49f9fd 100644
--- a/mojo/examples/aura_demo/demo_context_factory.cc
+++ b/mojo/examples/aura_demo/demo_context_factory.cc
@@ -49,22 +49,6 @@ void DemoContextFactory::RemoveReflector(
 }
 
 scoped_refptr<cc::ContextProvider>
-DemoContextFactory::OffscreenCompositorContextProvider() {
-  if (!offscreen_compositor_contexts_.get() ||
-      offscreen_compositor_contexts_->DestroyedOnMainThread()) {
-    // If the compositor was initialized with its own thread then we would need
-    // to leak the context provider when we shutdown to avoid destroying the
-    // contexts on the wrong thread.
-    DCHECK(!ui::Compositor::WasInitializedWithThread());
-    bool lose_context_when_out_of_memory = true;
-    offscreen_compositor_contexts_ =
-        webkit::gpu::ContextProviderInProcess::CreateOffscreen(
-            lose_context_when_out_of_memory);
-  }
-  return offscreen_compositor_contexts_;
-}
-
-scoped_refptr<cc::ContextProvider>
 DemoContextFactory::SharedMainThreadContextProvider() {
   if (!shared_main_thread_contexts_ ||
       shared_main_thread_contexts_->DestroyedOnMainThread()) {