Add GetMinimumSize() for Borders, and make LabelButton auto-size to at least as

chrome/browser/ui/views/avatar_label.cc

Index: chrome/browser/ui/views/avatar_label.cc
===================================================================
--- chrome/browser/ui/views/avatar_label.cc	(revision 236640)
+++ chrome/browser/ui/views/avatar_label.cc	(working copy)
@@ -27,6 +27,7 @@
 
   // views::TextButtonBorder:
   virtual void Paint(const views::View& view, gfx::Canvas* canvas) OVERRIDE;
+  virtual gfx::Size GetMinimumSize() const OVERRIDE;
 
  private:
   scoped_ptr<views::Painter> painter_;
@@ -82,6 +83,12 @@
   canvas->DrawRoundRect(rect, kRadius, paint);
 }
 
+gfx::Size AvatarLabelBorder::GetMinimumSize() const {
+  gfx::Size size(4, 4);
+  size.SetToMax(painter_->GetMinimumSize());
+  return size;
+}
+
 }  // namespace
 
 AvatarLabel::AvatarLabel(BrowserView* browser_view)