Changes code using Compositor to pass in ContextFactory

ash/host/ash_window_tree_host_x11_unittest.cc

Index: ash/host/ash_window_tree_host_x11_unittest.cc
diff --git a/ash/host/ash_window_tree_host_x11_unittest.cc b/ash/host/ash_window_tree_host_x11_unittest.cc
index 12aa7bb51807628ebf134160bbc1048358dec47f..275cb99b4ee475b1b91ff2785036540cfbe8cb4e 100644
--- a/ash/host/ash_window_tree_host_x11_unittest.cc
+++ b/ash/host/ash_window_tree_host_x11_unittest.cc
@@ -68,7 +68,7 @@ TEST_F(AshWindowTreeHostX11Test, DispatchTouchEventToOneRootWindow) {
   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
 
   scoped_ptr<aura::WindowTreeHostX11> window_tree_host(
-      new AshWindowTreeHostX11(gfx::Rect(0, 0, 2560, 1700)));
+      new AshWindowTreeHostX11(gfx::Rect(0, 0, 2560, 1700), context_factory()));
   window_tree_host->InitHost();
   scoped_ptr<RootWindowEventHandler> handler(
       new RootWindowEventHandler(window_tree_host.get()));
@@ -134,14 +134,15 @@ TEST_F(AshWindowTreeHostX11Test, DispatchTouchEventToTwoRootWindow) {
   base::SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease, base::Time());
 
   scoped_ptr<aura::WindowTreeHostX11> window_tree_host1(
-      new AshWindowTreeHostX11(gfx::Rect(0, 0, 2560, 1700)));
+      new AshWindowTreeHostX11(gfx::Rect(0, 0, 2560, 1700), context_factory()));
   window_tree_host1->InitHost();
   scoped_ptr<RootWindowEventHandler> handler1(
       new RootWindowEventHandler(window_tree_host1.get()));
 
   int host2_y_offset = 1700;
   scoped_ptr<aura::WindowTreeHostX11> window_tree_host2(
-      new AshWindowTreeHostX11(gfx::Rect(0, host2_y_offset, 1920, 1080)));
+      new AshWindowTreeHostX11(gfx::Rect(0, host2_y_offset, 1920, 1080),
+                               context_factory()));
   window_tree_host2->InitHost();
   scoped_ptr<RootWindowEventHandler> handler2(
       new RootWindowEventHandler(window_tree_host2.get()));