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

chrome/browser/ui/views/constrained_web_dialog_delegate_views.cc

Index: chrome/browser/ui/views/constrained_web_dialog_delegate_views.cc
diff --git a/chrome/browser/ui/views/constrained_web_dialog_delegate_views.cc b/chrome/browser/ui/views/constrained_web_dialog_delegate_views.cc
index c3042b08abe9e370f230a2dc79eb5c9bb9e1b71c..c6a64a02e4371edf3cbaa80f81ea6c8130cfa472 100644
--- a/chrome/browser/ui/views/constrained_web_dialog_delegate_views.cc
+++ b/chrome/browser/ui/views/constrained_web_dialog_delegate_views.cc
@@ -153,13 +153,13 @@ class ConstrainedWebDialogDelegateViewViews
     impl_->window()->Close();
     return true;
   }
-  virtual gfx::Size GetPreferredSize() OVERRIDE {
+  virtual gfx::Size GetPreferredSize() const OVERRIDE {
     gfx::Size size;
     if (!impl_->closed_via_webui())
       GetWebDialogDelegate()->GetDialogSize(&size);
     return size;
   }
-  virtual gfx::Size GetMinimumSize() OVERRIDE {
+  virtual gfx::Size GetMinimumSize() const OVERRIDE {
     // Return an empty size so that we can be made smaller.
     return gfx::Size();
   }