Refactor Textfield and AutocompleteEditViewViews.

views/controls/textfield/textfield.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 "views/controls/textfield/textfield.h"
 
 #if defined(OS_LINUX)
 #include <gdk/gdkkeysyms.h>
 #endif
 
@@ skipping 123 matching lines @@
   if (native_wrapper_)
     return native_wrapper_->GetSelectedText();
   return string16();
 }
 
 void Textfield::ClearSelection() const {
   if (native_wrapper_)
     native_wrapper_->ClearSelection();
 }
 
+bool Textfield::HasSelection() const {
+  ui::Range range;
+  if (native_wrapper_)
+    native_wrapper_->GetSelectedRange(&range);
+  return !range.is_empty();
+}
+
 void Textfield::SetTextColor(SkColor color) {
   text_color_ = color;
   use_default_text_color_ = false;
   if (native_wrapper_)
     native_wrapper_->UpdateTextColor();
 }
 
 void Textfield::UseDefaultTextColor() {
   use_default_text_color_ = true;
   if (native_wrapper_)
@@ skipping 236 matching lines @@
     }
 #endif
   }
 }
 
 std::string Textfield::GetClassName() const {
   return kViewClassName;
 }
 
 }  // namespace views