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

chrome/browser/ui/views/extensions/extension_uninstall_dialog_view.cc

Index: chrome/browser/ui/views/extensions/extension_uninstall_dialog_view.cc
diff --git a/chrome/browser/ui/views/extensions/extension_uninstall_dialog_view.cc b/chrome/browser/ui/views/extensions/extension_uninstall_dialog_view.cc
index db1432068c6a32721328ac1f6f4935077c934ce8..2587a4d7c6116fbbbe5fe3367da2c6dbb0b1007c 100644
--- a/chrome/browser/ui/views/extensions/extension_uninstall_dialog_view.cc
+++ b/chrome/browser/ui/views/extensions/extension_uninstall_dialog_view.cc
@@ -98,7 +98,7 @@ class ExtensionUninstallDialogDelegateView : public views::DialogDelegateView {
   virtual base::string16 GetWindowTitle() const OVERRIDE;
 
   // views::View:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
 
   virtual void Layout() OVERRIDE;
 
@@ -203,7 +203,7 @@ base::string16 ExtensionUninstallDialogDelegateView::GetWindowTitle() const {
   return l10n_util::GetStringUTF16(IDS_EXTENSION_UNINSTALL_PROMPT_TITLE);
 }
 
-gfx::Size ExtensionUninstallDialogDelegateView::GetPreferredSize() {
+gfx::Size ExtensionUninstallDialogDelegateView::GetPreferredSize() const {
   int width = kRightColumnWidth;
   width += kIconSize;
   width += views::kButtonHEdgeMarginNew * 2;