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

chrome/browser/ui/views/frame/app_non_client_frame_view_ash.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/views/frame/app_non_client_frame_view_ash.h"
 
 #include "ash/wm/caption_buttons/frame_caption_button_container_view.h"
 #include "base/i18n/rtl.h"
 #include "chrome/browser/ui/views/frame/browser_frame.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
@@ skipping 34 matching lines @@
  private:
   // views::Border overrides:
   virtual void Paint(const views::View& view, gfx::Canvas* canvas) OVERRIDE {
     canvas->DrawImageInt(border_, 0, view.height() - border_.height());
   }
 
   virtual gfx::Insets GetInsets() const OVERRIDE {
     return gfx::Insets(0, kShadowSizeX, kShadowSizeBottom, 0);
   }
 
+  virtual gfx::Size GetMinimumSize() const OVERRIDE {
+    return border_.size();
+  }
+
   gfx::ImageSkia border_;
 
   DISALLOW_COPY_AND_ASSIGN(ControlViewBorder);
 };
 
 // The background for |control_view_|.
 class ControlViewBackground : public views::Background {
  public:
   explicit ControlViewBackground(bool is_incognito) {
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
@@ skipping 162 matching lines @@
       base::i18n::IsRTL() ? 0 : (width() - preferred.width()), 0,
       preferred.width(), preferred.height());
 }
 
 void AppNonClientFrameViewAsh::CloseControlWidget() {
   if (control_widget_) {
     control_widget_->Close();
     control_widget_ = NULL;
   }
 }