Apply View::set_preferred_size in some more places.

ui/message_center/views/custom_notification_view_unittest.cc

 // Copyright 2016 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 <memory>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 16 matching lines @@
 
 namespace {
 
 const SkColor kBackgroundColor = SK_ColorGREEN;
 
 class TestCustomView : public views::View {
  public:
   TestCustomView() {
     SetFocusBehavior(FocusBehavior::ALWAYS);
     set_background(views::Background::CreateSolidBackground(kBackgroundColor));
+    set_preferred_size(gfx::Size(100, 100));
   }
   ~TestCustomView() override {}
 
   void Reset() {
     mouse_event_count_ = 0;
     keyboard_event_count_ = 0;
   }
 
-  void set_preferred_size(gfx::Size size) { preferred_size_ = size; }
-
   // views::View
-  gfx::Size GetPreferredSize() const override { return preferred_size_; }
   bool OnMousePressed(const ui::MouseEvent& event) override {
     ++mouse_event_count_;
     return true;
   }
   void OnMouseMoved(const ui::MouseEvent& event) override {
     ++mouse_event_count_;
   }
   void OnMouseReleased(const ui::MouseEvent& event) override {
     ++mouse_event_count_;
   }
   bool OnKeyPressed(const ui::KeyEvent& event) override {
     ++keyboard_event_count_;
     return false;
   }
 
   int mouse_event_count() const { return mouse_event_count_; }
   int keyboard_event_count() const { return keyboard_event_count_; }
 
  private:
   int mouse_event_count_ = 0;
   int keyboard_event_count_ = 0;
-  gfx::Size preferred_size_ = gfx::Size(100, 100);
 
   DISALLOW_COPY_AND_ASSIGN(TestCustomView);
 };
 
 class TestContentViewDelegate : public CustomNotificationContentViewDelegate {
  public:
   bool IsCloseButtonFocused() const override { return false; }
   void RequestFocusOnCloseButton() override {}
   void UpdateControlButtonsVisibility() override {}
 };
@@ skipping 243 matching lines @@
   EXPECT_EQ("360x10", size.ToString());
 
   // The long notification.
   custom_view()->set_preferred_size(gfx::Size(1000, 1000));
   size = notification_view()->GetPreferredSize();
   size.Enlarge(0, -notification_view()->GetInsets().height());
   EXPECT_EQ("360x1000", size.ToString());
 }
 
 }  // namespace message_center