More Harmony combobox/textfield updates:

ui/views/controls/textfield/textfield.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 "ui/views/controls/textfield/textfield.h"
 
 #include <string>
 #include <utility>
 
 #include "base/trace_event/trace_event.h"
@@ skipping 339 matching lines @@
 }
 
 bool Textfield::HasSelection() const {
   return !GetSelectedRange().is_empty();
 }
 
 SkColor Textfield::GetTextColor() const {
   if (!use_default_text_color_)
     return text_color_;
 
-  return GetNativeTheme()->GetSystemColor(read_only() ?
+  return GetNativeTheme()->GetSystemColor(read_only() || !enabled() ?
       ui::NativeTheme::kColorId_TextfieldReadOnlyColor :
       ui::NativeTheme::kColorId_TextfieldDefaultColor);
 }
 
 void Textfield::SetTextColor(SkColor color) {
   text_color_ = color;
   use_default_text_color_ = false;
   SetColor(color);
 }
 
 void Textfield::UseDefaultTextColor() {
   use_default_text_color_ = true;
   SetColor(GetTextColor());
 }
 
 SkColor Textfield::GetBackgroundColor() const {
   if (!use_default_background_color_)
     return background_color_;
 
-  return GetNativeTheme()->GetSystemColor(read_only() ?
+  return GetNativeTheme()->GetSystemColor(read_only() || !enabled() ?
       ui::NativeTheme::kColorId_TextfieldReadOnlyBackground :
       ui::NativeTheme::kColorId_TextfieldDefaultBackground);
 }
 
 void Textfield::SetBackgroundColor(SkColor color) {
   background_color_ = color;
   use_default_background_color_ = false;
   UpdateBackgroundColor();
 }
 
@@ skipping 1636 matching lines @@
     RequestFocus();
   model_->MoveCursorTo(mouse);
   if (!selection_clipboard_text.empty()) {
     model_->InsertText(selection_clipboard_text);
     UpdateAfterChange(true, true);
   }
   OnAfterUserAction();
 }
 
 }  // namespace views