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

chrome/browser/ui/views/profiles/avatar_menu_bubble_view.cc

Index: chrome/browser/ui/views/profiles/avatar_menu_bubble_view.cc
diff --git a/chrome/browser/ui/views/profiles/avatar_menu_bubble_view.cc b/chrome/browser/ui/views/profiles/avatar_menu_bubble_view.cc
index 710e5e08ba1c6836caf59d4b96f5822a22021152..1627cbafcf6160010ee4559fc6bfcff7e12f0885 100644
--- a/chrome/browser/ui/views/profiles/avatar_menu_bubble_view.cc
+++ b/chrome/browser/ui/views/profiles/avatar_menu_bubble_view.cc
@@ -220,7 +220,7 @@ class ProfileItemView : public views::CustomButton,
                   AvatarMenuBubbleView* parent,
                   AvatarMenu* menu);
 
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
@@ -297,7 +297,7 @@ ProfileItemView::ProfileItemView(const AvatarMenu::Item& item,
   OnHighlightStateChanged();
 }
 
-gfx::Size ProfileItemView::GetPreferredSize() {
+gfx::Size ProfileItemView::GetPreferredSize() const {
   int text_width = std::max(name_label_->GetPreferredSize().width(),
                             sync_state_label_->GetPreferredSize().width());
   text_width = std::max(edit_link_->GetPreferredSize().width(), text_width);
@@ -535,7 +535,7 @@ AvatarMenuBubbleView::AvatarMenuBubbleView(
 AvatarMenuBubbleView::~AvatarMenuBubbleView() {
 }
 
-gfx::Size AvatarMenuBubbleView::GetPreferredSize() {
+gfx::Size AvatarMenuBubbleView::GetPreferredSize() const {
   const int kBubbleViewMinWidth = 175;
   gfx::Size preferred_size(kBubbleViewMinWidth, 0);
   for (size_t i = 0; i < item_views_.size(); ++i) {