Add context to gfx::Screen calls in support of simultaneous desktop+ash

ash/wm/frame_painter_unittest.cc

 // Copyright (c) 2012 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 "ash/wm/frame_painter.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/property_util.h"
@@ skipping 318 matching lines @@
 TEST_F(FramePainterTest, HitTestSpecialMaximizedModes) {
   // Create a widget and a painter for it.
   scoped_ptr<Widget> w1(CreateResizableWidget());
   FramePainter p1;
   ImageButton size1(NULL);
   ImageButton close1(NULL);
   p1.Init(w1.get(), NULL, &size1, &close1, FramePainter::SIZE_BUTTON_MAXIMIZES);
   views::NonClientFrameView* frame = w1->non_client_view()->frame_view();
   w1->Show();
   gfx::Rect any_rect = gfx::Rect(0, 0, 100, 100);
-  gfx::Rect screen = gfx::Screen::GetDisplayMatching(any_rect).work_area();
+  gfx::Rect screen = Shell::GetAshScreen()->GetDisplayMatching(
+      any_rect).work_area();
   w1->SetBounds(any_rect);
   EXPECT_EQ(HTTOPLEFT, p1.NonClientHitTest(frame, gfx::Point(0, 15)));
   w1->SetBounds(gfx::Rect(
       screen.x(), screen.y(), screen.width() / 2, screen.height()));
   // A hit without a set restore rect should produce a top left hit.
   EXPECT_EQ(HTTOPLEFT, p1.NonClientHitTest(frame, gfx::Point(0, 15)));
   ash::SetRestoreBoundsInScreen(w1->GetNativeWindow(), any_rect);
   // A hit into the corner should produce nowhere - not left.
   EXPECT_EQ(HTCAPTION, p1.NonClientHitTest(frame, gfx::Point(0, 15)));
   // A hit into the middle upper area should generate right - not top&right.
   EXPECT_EQ(HTRIGHT,
             p1.NonClientHitTest(frame, gfx::Point(screen.width() / 2, 15)));
   // A hit into the middle should generate right.
   EXPECT_EQ(HTRIGHT,
             p1.NonClientHitTest(frame, gfx::Point(screen.width() / 2,
                                                   screen.height() / 2)));
   // A hit into the middle lower area should generate right - not bottom&right.
   EXPECT_EQ(HTRIGHT,
             p1.NonClientHitTest(frame, gfx::Point(screen.width() / 2,
                                                   screen.height() - 1)));
 }
 
 }  // namespace ash