Plumb overlay processing into DirectRenderer.

cc/test/test_context_support.cc

Index: cc/test/test_context_support.cc
diff --git a/cc/test/test_context_support.cc b/cc/test/test_context_support.cc
index 3c2e31a819171b7f30215cf3043beec584c1b619..dfd2ddacd9c96662ee7c92156652e15bd247c2ae 100644
--- a/cc/test/test_context_support.cc
+++ b/cc/test/test_context_support.cc
@@ -56,6 +56,11 @@ void TestContextSupport::SetSurfaceVisibleCallback(
   set_visible_callback_ = set_visible_callback;
 }
 
+void TestContextSupport::SetScheduleOverlayPlaneCallback(
+    const ScheduleOverlayPlaneCallback& schedule_overlay_plane_callback) {
+  schedule_overlay_plane_callback_ = schedule_overlay_plane_callback;
+}
+
 void TestContextSupport::Swap() {
   last_swap_type_ = SWAP;
   base::MessageLoop::current()->PostTask(
@@ -71,6 +76,21 @@ void TestContextSupport::PartialSwapBuffers(const gfx::Rect& sub_buffer) {
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
+void TestContextSupport::ScheduleOverlayPlane(
+    int plane_z_order,
+    unsigned plane_transform,
+    const gpu::Mailbox& overlay_texture,
+    const gfx::Rect& display_bounds,
+    const gfx::RectF& uv_rect) {
+  if (!schedule_overlay_plane_callback_.is_null()) {
+    schedule_overlay_plane_callback_.Run(plane_z_order,
+                                         plane_transform,
+                                         overlay_texture,
+                                         display_bounds,
+                                         uv_rect);
+  }
+}
+
 void TestContextSupport::SetSwapBuffersCompleteCallback(
     const base::Closure& callback) {
   swap_buffers_complete_callback_ = callback;