Changes code using Compositor to pass in ContextFactory

ui/aura/window_tree_host.cc

Index: ui/aura/window_tree_host.cc
diff --git a/ui/aura/window_tree_host.cc b/ui/aura/window_tree_host.cc
index 2118c2ebd6af1603eeab722bfdb24a6d505ba17b..1c3cd4ff284993da124e896bb6127fc3a51b3b60 100644
--- a/ui/aura/window_tree_host.cc
+++ b/ui/aura/window_tree_host.cc
@@ -44,7 +44,8 @@ WindowTreeHost::~WindowTreeHost() {
 
 #if defined(OS_ANDROID)
 // static
-WindowTreeHost* WindowTreeHost::Create(const gfx::Rect& bounds) {
+WindowTreeHost* WindowTreeHost::Create(const gfx::Rect& bounds,
+                                       ui::ContextFactory* context_factory) {
   // This is only hit for tests and ash, right now these aren't an issue so
   // adding the CHECK.
   // TODO(sky): decide if we want a factory.
@@ -197,8 +198,10 @@ void WindowTreeHost::DestroyDispatcher() {
 }
 
 void WindowTreeHost::CreateCompositor(
-    gfx::AcceleratedWidget accelerated_widget) {
-  compositor_.reset(new ui::Compositor(GetAcceleratedWidget()));
+    gfx::AcceleratedWidget accelerated_widget,
+    ui::ContextFactory* context_factory) {
+  compositor_.reset(
+      new ui::Compositor(GetAcceleratedWidget(), context_factory));
   DCHECK(compositor_.get());
   // TODO(beng): I think this setup should probably all move to a "accelerated
   // widget available" function.