mus: Allow embedder to intercept events.

components/mus/ws/test_utils.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_MUS_WS_TEST_UTILS_H_
 #define COMPONENTS_MUS_WS_TEST_UTILS_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 63 matching lines @@
 
   void set_user_id(const UserId& user_id) { tree_->user_id_ = user_id; }
   void set_window_manager_internal(mojom::WindowManager* wm_internal) {
     tree_->window_manager_internal_ = wm_internal;
   }
   void AckOldestEvent() {
     tree_->OnWindowInputEventAck(tree_->event_ack_id_,
                                  mojom::EventResult::UNHANDLED);
   }
   void EnableCapture() { tree_->event_ack_id_ = 1u; }
+  void AckLastEvent(mojom::EventResult result) {
+    tree_->OnWindowInputEventAck(tree_->event_ack_id_, result);
+  }
 
   void SetEventObserver(mojom::EventMatcherPtr matcher,
                         uint32_t event_observer_id);
 
  private:
   WindowTree* tree_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeTestApi);
 };
 
@@ skipping 59 matching lines @@
   explicit WindowManagerStateTestApi(WindowManagerState* wms) : wms_(wms) {}
   ~WindowManagerStateTestApi() {}
 
   void DispatchInputEventToWindow(ServerWindow* target,
                                   ClientSpecificId client_id,
                                   const ui::Event& event,
                                   Accelerator* accelerator) {
     wms_->DispatchInputEventToWindow(target, client_id, event, accelerator);
   }
 
+  ClientSpecificId GetEventTargetClientId(ServerWindow* window,
+                                          bool in_nonclient_area) {
+    return wms_->GetEventTargetClientId(window, in_nonclient_area);
+  }
+
+  void ProcessEvent(const ui::Event& event) { wms_->ProcessEvent(event); }
+
   void OnEventAckTimeout(ClientSpecificId client_id) {
     wms_->OnEventAckTimeout(client_id);
   }
 
   ClientSpecificId GetEventTargetClientId(const ServerWindow* window,
                                           bool in_nonclient_area) {
     return wms_->GetEventTargetClientId(window, in_nonclient_area);
   }
 
   mojom::WindowTree* tree_awaiting_input_ack() {
@@ skipping 327 matching lines @@
 ServerWindow* NewWindowInTree(WindowTree* tree, ClientWindowId* client_id);
 ServerWindow* NewWindowInTreeWithParent(WindowTree* tree,
                                         ServerWindow* parent,
                                         ClientWindowId* client_id);
 
 }  // namespace test
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_TEST_UTILS_H_