Keep root_location to be in pixels and display coordinates in WS.

services/ui/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 SERVICES_UI_WS_TEST_UTILS_H_
 #define SERVICES_UI_WS_TEST_UTILS_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 189 matching lines @@
 
 // -----------------------------------------------------------------------------
 
 class WindowManagerStateTestApi {
  public:
   explicit WindowManagerStateTestApi(WindowManagerState* wms) : wms_(wms) {}
   ~WindowManagerStateTestApi() {}
 
   void DispatchInputEventToWindow(ServerWindow* target,
                                   ClientSpecificId client_id,
+                                  const int64_t display_id,
                                   const ui::Event& event,
                                   Accelerator* accelerator) {
-    wms_->DispatchInputEventToWindow(target, client_id, event, accelerator);
+    wms_->DispatchInputEventToWindow(target, client_id, display_id, event,
+                                     accelerator);
   }
 
   ClientSpecificId GetEventTargetClientId(ServerWindow* window,
                                           bool in_nonclient_area) {
     return wms_->GetEventTargetClientId(window, in_nonclient_area);
   }
 
   void ProcessEvent(const ui::Event& event, int64_t display_id = 0) {
     wms_->ProcessEvent(event, display_id);
   }
@@ skipping 528 matching lines @@
                               ClientWindowId* client_id = nullptr);
 ServerWindow* NewWindowInTreeWithParent(WindowTree* tree,
                                         ServerWindow* parent,
                                         ClientWindowId* client_id = nullptr);
 
 }  // namespace test
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_TEST_UTILS_H_