Refactor: remove SetDisplayWorkAreaInsets calls.

ash/system/web_notification/ash_popup_alignment_delegate_unittest.cc

 // Copyright 2014 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/common/system/web_notification/ash_popup_alignment_delegate.h"
 
 #include <utility>
 #include <vector>
 
 #include "ash/common/shelf/shelf_types.h"
@@ skipping 38 matching lines @@
   enum Position { TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT, OUTSIDE };
 
   AshPopupAlignmentDelegate* alignment_delegate() {
     return alignment_delegate_.get();
   }
 
   void UpdateWorkArea(AshPopupAlignmentDelegate* alignment_delegate,
                       const display::Display& display) {
     alignment_delegate->StartObserving(display::Screen::GetScreen(), display);
     // Update the layout
-    alignment_delegate->OnDisplayWorkAreaInsetsChanged();
+    alignment_delegate->UpdateWorkArea();
   }
 
   void SetAlignmentDelegate(
       std::unique_ptr<AshPopupAlignmentDelegate> delegate) {
     if (!delegate.get()) {
       alignment_delegate_.reset();
       return;
     }
     alignment_delegate_ = std::move(delegate);
     UpdateWorkArea(alignment_delegate_.get(),
@@ skipping 237 matching lines @@
   shelf->SetKeyboardBoundsForTesting(keyboard_bounds);
   int keyboard_baseline = alignment_delegate()->GetBaseLine();
   EXPECT_NE(baseline, keyboard_baseline);
   EXPECT_GT(keyboard_bounds.y(), keyboard_baseline);
 
   shelf->SetKeyboardBoundsForTesting(gfx::Rect());
   EXPECT_EQ(baseline, alignment_delegate()->GetBaseLine());
 }
 
 }  // namespace ash