Scale client area, hit test mask and bounds by device_scale_factor.

services/ui/public/cpp/tests/window_tree_client_unittest.cc

 // Copyright 2015 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.
 
 #include "services/ui/public/cpp/window_tree_client.h"
 
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "mojo/common/common_type_converters.h"
 #include "services/ui/common/util.h"
 #include "services/ui/public/cpp/input_event_handler.h"
 #include "services/ui/public/cpp/property_type_converters.h"
 #include "services/ui/public/cpp/tests/test_window.h"
 #include "services/ui/public/cpp/tests/test_window_tree.h"
 #include "services/ui/public/cpp/tests/window_tree_client_private.h"
 #include "services/ui/public/cpp/window.h"
 #include "services/ui/public/cpp/window_observer.h"
 #include "services/ui/public/cpp/window_private.h"
 #include "services/ui/public/cpp/window_property.h"
 #include "services/ui/public/cpp/window_tracker.h"
 #include "services/ui/public/cpp/window_tree_client_delegate.h"
 #include "services/ui/public/cpp/window_tree_client_observer.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/display/test/test_screen.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace ui {
 
 namespace {
 
 void DoNothingWithEventResult(mojom::EventResult result) {}
 
@@ skipping 32 matching lines @@
 
  private:
   std::unique_ptr<ui::PointerEvent> last_event_observed_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWindowTreeClientDelegate);
 };
 
 class WindowTreeSetup {
  public:
   WindowTreeSetup() : tree_client_(&window_tree_delegate_, nullptr, nullptr) {
+    display::Screen::SetScreenInstance(&test_screen_);
     WindowTreeClientPrivate(&tree_client_).OnEmbed(&window_tree_);
     window_tree_.GetAndClearChangeId(nullptr);
   }
 
+  ~WindowTreeSetup() { display::Screen::SetScreenInstance(nullptr); }
+
   WindowTreeClient* client() {
     return &tree_client_;
   }
 
   mojom::WindowTreeClient* window_tree_client() {
     return static_cast<mojom::WindowTreeClient*>(&tree_client_);
   }
 
   TestWindowTree* window_tree() { return &window_tree_; }
 
   TestWindowTreeClientDelegate* window_tree_delegate() {
     return &window_tree_delegate_;
   }
 
   Window* GetFirstRoot() {
     return client()->GetRoots().empty() ? nullptr
                                         : *client()->GetRoots().begin();
   }
 
  private:
   TestWindowTree window_tree_;
   TestWindowTreeClientDelegate window_tree_delegate_;
   WindowTreeClient tree_client_;
 
+  // Dummy screen required to be the screen instance.
+  display::test::TestScreen test_screen_;
+
   DISALLOW_COPY_AND_ASSIGN(WindowTreeSetup);
 };
 
 class TestInputEventHandler : public InputEventHandler {
  public:
   TestInputEventHandler()
       : received_event_(false), should_manually_ack_(false) {}
   ~TestInputEventHandler() override {}
 
   void set_should_manually_ack() { should_manually_ack_ = true; }
@@ skipping 960 matching lines @@
 
   // Changes originating from server should notify observers too.
   WindowTreeClientPrivate(setup.client()).CallOnCaptureChanged(child2, nullptr);
   EXPECT_EQ(1, capture_recorder.capture_changed_count());
   EXPECT_EQ(child2_id, capture_recorder.last_gained_capture_window_id());
   EXPECT_EQ(0, capture_recorder.last_lost_capture_window_id());
   capture_recorder.reset_capture_captured_count();
 }
 
 }  // namespace ui