Revert of Re-land: cc: Use worker context for one-copy tile initialization.

components/html_viewer/web_layer_tree_view_impl.cc

Index: components/html_viewer/web_layer_tree_view_impl.cc
diff --git a/components/html_viewer/web_layer_tree_view_impl.cc b/components/html_viewer/web_layer_tree_view_impl.cc
index 8acb806348efc508ea14e4a115809d2aee803e97..9d54f7e8a69097ee655637897219c9acfa22195b 100644
--- a/components/html_viewer/web_layer_tree_view_impl.cc
+++ b/components/html_viewer/web_layer_tree_view_impl.cc
@@ -63,16 +63,12 @@
 
   if (surface && gpu_service) {
     mojo::CommandBufferPtr cb;
-    mojo::CommandBufferPtr worker_cb;
     gpu_service->CreateOffscreenGLES2Context(GetProxy(&cb));
-    gpu_service->CreateOffscreenGLES2Context(GetProxy(&worker_cb));
     scoped_refptr<cc::ContextProvider> context_provider(
         new mojo::ContextProviderMojo(cb.PassInterface().PassHandle()));
-    scoped_refptr<cc::ContextProvider> worker_context_provider(
-        new mojo::ContextProviderMojo(worker_cb.PassInterface().PassHandle()));
-    output_surface_.reset(new mojo::OutputSurfaceMojo(
-        this, context_provider, worker_context_provider,
-        surface.PassInterface().PassHandle()));
+    output_surface_.reset(
+        new mojo::OutputSurfaceMojo(this, context_provider,
+                                    surface.PassInterface().PassHandle()));
   }
   layer_tree_host_->SetLayerTreeHostClientReady();
 }