Broke out layout metric information from ViewsDelegate to LayoutProvider

ui/views/widget/desktop_aura/desktop_native_widget_aura_unittest.cc

 // Copyright 2013 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 "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 362 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(DesktopAuraTopLevelWindowTest);
 };
 
 class DesktopAuraWidgetTest : public WidgetTest {
  public:
   DesktopAuraWidgetTest() {}
 
   void SetUp() override {
     ViewsTestBase::SetUp();
-    views_delegate()->set_use_desktop_native_widgets(true);
+    test_views_delegate()->set_use_desktop_native_widgets(true);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DesktopAuraWidgetTest);
 };
 
 TEST_F(DesktopAuraWidgetTest, FullscreenWindowDestroyedBeforeOwnerTest) {
   DesktopAuraTopLevelWindowTest fullscreen_window;
   ASSERT_NO_FATAL_FAILURE(fullscreen_window.CreateTopLevelWindow(
       gfx::Rect(0, 0, 200, 200), true));
@@ skipping 280 matching lines @@
   target->HandleKeyboardMessage(WM_CHAR, 0, 0, &handled);
   target->HandleKeyboardMessage(WM_SYSCHAR, 0, 0, &handled);
   target->HandleKeyboardMessage(WM_SYSDEADCHAR, 0, 0, &handled);
   widget.CloseNow();
 }
 
 #endif  // defined(OS_WIN)
 
 }  // namespace test
 }  // namespace views