Renames WindowManagerConfig to FrameDecorationValues and moves to Display

components/mus/public/interfaces/window_tree.mojom

Index: components/mus/public/interfaces/window_tree.mojom
diff --git a/components/mus/public/interfaces/window_tree.mojom b/components/mus/public/interfaces/window_tree.mojom
index f6126e4b60025041d78226c22f74b6b9a4cd4e0a..1abc03624aea384f31b53f532603b075133253bc 100644
--- a/components/mus/public/interfaces/window_tree.mojom
+++ b/components/mus/public/interfaces/window_tree.mojom
@@ -367,6 +367,7 @@ interface WindowTreeClient {
 //
 // This interface is only used as an associated interface and is associated
 // with WindowTreeClient.
+// TODO(sky): rename this to WindowManager.
 interface WindowManagerInternal {
   // When the WindowManagerInternal completes a request it must call back to
   // WindowManagerInternalClient::WmResponse().
@@ -382,6 +383,7 @@ interface WindowManagerInternal {
 
 // This interface is only used as an associated interface and is associated
 // with WindowTree.
+// TODO(sky): rename this to WindowManagerClient.
 interface WindowManagerInternalClient {
   // The window manager has completed a request with the specific change id.
   WmResponse(uint32 change_id, bool response);
@@ -390,6 +392,10 @@ interface WindowManagerInternalClient {
   // specified window.
   WmRequestClose(uint32 window_id);
 
+  // Sets the frame decoration constants of the display the window manager is
+  // associated with.
+  WmSetFrameDecorationValues(FrameDecorationValues values);
+
   // Response from WmCreateTopLevelWindow() informing the client of the id for
   // the new window.
   OnWmCreatedTopLevelWindow(uint32 change_id, uint32 window_id);