linux_aura: Fixes a couple of issues with the button border integration.

ui/views/controls/button/button.cc

 // Copyright (c) 2011 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 "ui/views/controls/button/button.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 
 namespace views {
 
 ////////////////////////////////////////////////////////////////////////////////
+// Button, static public:
+
+// static
+Button::ButtonState Button::GetButtonStateFrom(ui::NativeTheme::State state) {
+  switch (state) {
+    case ui::NativeTheme::kDisabled: return Button::STATE_DISABLED;
+    case ui::NativeTheme::kHovered:  return Button::STATE_HOVERED;
+    case ui::NativeTheme::kNormal:   return Button::STATE_NORMAL;
+    case ui::NativeTheme::kPressed:  return Button::STATE_PRESSED;
+    case ui::NativeTheme::kMaxState: NOTREACHED() << "Unknown state: " << state;
+  }
+  return Button::STATE_NORMAL;
+}
+
+////////////////////////////////////////////////////////////////////////////////
 // Button, public:
 
 Button::~Button() {
 }
 
 void Button::SetTooltipText(const base::string16& tooltip_text) {
   tooltip_text_ = tooltip_text;
   if (accessible_name_.empty())
     accessible_name_ = tooltip_text_;
   TooltipTextChanged();
@@ skipping 30 matching lines @@
 }
 
 void Button::NotifyClick(const ui::Event& event) {
   // We can be called when there is no listener, in cases like double clicks on
   // menu buttons etc.
   if (listener_)
     listener_->ButtonPressed(this, event);
 }
 
 }  // namespace views