views: Make view::Views::GetPreferredSize() const.

ui/views/bubble/bubble_delegate_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 "ui/base/hit_test.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/test/test_widget_observer.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/widget/widget.h"
@@ skipping 16 matching lines @@
   void SetAnchorRectForTest(gfx::Rect rect) {
     SetAnchorRect(rect);
   }
 
   void SetAnchorViewForTest(View* view) {
     SetAnchorView(view);
   }
 
   // BubbleDelegateView overrides:
   virtual View* GetInitiallyFocusedView() OVERRIDE { return view_; }
-  virtual gfx::Size GetPreferredSize() OVERRIDE { return gfx::Size(200, 200); }
+  virtual gfx::Size GetPreferredSize() const OVERRIDE {
+    return gfx::Size(200, 200);
+  }
 
  private:
   View* view_;
 
   DISALLOW_COPY_AND_ASSIGN(TestBubbleDelegateView);
 };
 
 class BubbleDelegateTest : public ViewsTestBase {
  public:
   BubbleDelegateTest() {}
@@ skipping 194 matching lines @@
   test::TestWidgetObserver bubble_observer(bubble_widget);
   EXPECT_FALSE(bubble_observer.widget_closed());
 
   bubble_widget->Show();
   EXPECT_TRUE(bubble_widget->IsVisible());
   anchor_widget->SetBounds(gfx::Rect(10, 10, 100, 100));
   EXPECT_TRUE(bubble_widget->IsVisible());
 }
 
 }  // namespace views