Allow parallel creation of windows

services/ui/demo/window_tree_data.h

Index: services/ui/demo/window_tree_data.h
diff --git a/services/ui/demo/window_tree_data.h b/services/ui/demo/window_tree_data.h
index a31d9b485a5ed3aa2c93f201e76fad2a69de100a..cb7d0ed8164690f86e5def178f1205a09c2f0ee2 100644
--- a/services/ui/demo/window_tree_data.h
+++ b/services/ui/demo/window_tree_data.h
@@ -25,8 +25,8 @@ class WindowTreeData {
   explicit WindowTreeData(int square_size);
   ~WindowTreeData();
 
-  // Initializes the window tree host and start drawing frames.
-  void Init(std::unique_ptr<aura::WindowTreeHostMus> window_tree_host);
+  // Initializes a window for bitmap and starts drawing frames.
+  void Init();
   bool IsInitialized() const { return window_delegate_; }

[fwang, 2017/03/16 10:54:55]

Now that we remove haspendingdata, I wonder if this really needs to be public?

[msisov(use msisov igalia.com), 2017/03/16 11:06:33]

Done.

 
   const aura::WindowTreeHostMus* WindowTreeHost() const {