Makes windowmanager draw non-client area

components/mus/example/wm/move_loop_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 "components/mus/example/wm/move_loop.h"
 
 #include "components/mus/public/cpp/tests/test_window.h"
 #include "mojo/converters/input_events/input_events_type_converters.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
 
 using MoveLoopTest = testing::Test;
 
 namespace {
 
 // Sets the client area for |window|. Padding is provided on the top so that
 // there is a movable region. All other edges are sized to
 // |MoveLoop::kResizeSize|.
 void SetClientArea(mus::Window* window) {
   if (window->bounds().IsEmpty())
     window->SetBounds(gfx::Rect(100, 200, 300, 400));
 
-  gfx::Rect client_area(window->bounds().size());
-  client_area.Inset(MoveLoop::kResizeSize, MoveLoop::kResizeSize + 10,
-                    MoveLoop::kResizeSize, MoveLoop::kResizeSize);
-  window->SetClientArea(client_area);
+  window->SetClientArea(
+      gfx::Insets(MoveLoop::kResizeSize + 10, MoveLoop::kResizeSize,
+                  MoveLoop::kResizeSize, MoveLoop::kResizeSize));
 }
 
 mus::mojom::EventPtr CreatePointerDownEvent(const gfx::Point& location) {
   const ui::TouchEvent event(ui::ET_TOUCH_PRESSED, location, 1,
                              base::TimeDelta());
   return mus::mojom::Event::From(static_cast<const ui::Event&>(event));
 }
 
 mus::mojom::EventPtr CreatePointerMove(const gfx::Point& location) {
   const ui::TouchEvent event(ui::ET_TOUCH_MOVED, location, 1,
@@ skipping 132 matching lines @@
     ASSERT_TRUE(move_loop.get()) << i;
     for (int j = 0; j < data[i].delta_count; ++j) {
       pointer_location.Offset(data[i].delta_x[j], data[i].delta_y[j]);
       ASSERT_EQ(MoveLoop::MoveResult::CONTINUE,
                 move_loop->Move(*CreatePointerMove(pointer_location)))
           << i << " " << j;
     }
     ASSERT_EQ(data[i].expected_bounds, window.bounds());
   }
 }