Add 1px black border for ChromeOS status button.

views/controls/button/text_button.cc

 // Copyright (c) 2010 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/button/text_button.h"
 
 #include <algorithm>
 
 #include "app/throb_animation.h"
 #include "app/resource_bundle.h"
@@ skipping 172 matching lines @@
     : CustomButton(listener),
       alignment_(ALIGN_LEFT),
       icon_placement_(ICON_ON_LEFT),
       font_(ResourceBundle::GetSharedInstance().GetFont(
           ResourceBundle::BaseFont)),
       color_(kEnabledColor),
       color_enabled_(kEnabledColor),
       color_disabled_(kDisabledColor),
       color_highlight_(kHighlightColor),
       color_hover_(kHoverColor),
+      text_halo_color_(0),
+      has_text_halo_(false),
       has_hover_icon_(false),
       has_pushed_icon_(false),
       max_width_(0),
       normal_has_border_(false),
       show_multiple_icon_states_(true),
       prefix_type_(PREFIX_NONE),
       icon_text_spacing_(kDefaultIconTextSpacing) {
   SetText(text);
   set_border(new TextButtonBorder);
   SetAnimationDuration(kHoverAnimationDurationMs);
@@ skipping 38 matching lines @@
 }
 
 void TextButton::SetHighlightColor(SkColor color) {
   color_highlight_ = color;
 }
 
 void TextButton::SetHoverColor(SkColor color) {
   color_hover_ = color;
 }
 
+void TextButton::SetTextHaloColor(SkColor color) {
+  text_halo_color_ = color;
+  has_text_halo_ = true;
+}
+
 void TextButton::ClearMaxTextSize() {
   max_text_size_ = text_size_;
 }
 
 void TextButton::SetNormalHasBorder(bool normal_has_border) {
   normal_has_border_ = normal_has_border;
 }
 
 void TextButton::SetShowMultipleIconStates(bool show_multiple_icon_states) {
   show_multiple_icon_states_ = show_multiple_icon_states;
@@ skipping 92 matching lines @@
 #else
       canvas->DrawStringInt(text_,
                             font_,
                             text_color,
                             text_bounds.x(),
                             text_bounds.y(),
                             text_bounds.width(),
                             text_bounds.height(),
                             draw_string_flags);
 #endif
+    } else if (has_text_halo_) {
+      canvas->AsCanvasSkia()->DrawStringWithHalo(
+          text_, font_, text_color, text_halo_color_, text_bounds.x(),
+          text_bounds.y(), text_bounds.width(), text_bounds.height(),
+          draw_string_flags);
     } else {
       canvas->DrawStringInt(text_,
                             font_,
                             text_color,
                             text_bounds.x(),
                             text_bounds.y(),
                             text_bounds.width(),
                             text_bounds.height(),
                             draw_string_flags);
     }
@@ skipping 11 matching lines @@
 
 void TextButton::UpdateColor() {
   color_ = IsEnabled() ? color_enabled_ : color_disabled_;
 }
 
 void TextButton::UpdateTextSize() {
   int width = 0, height = 0;
   gfx::CanvasSkia::SizeStringInt(
       text_, font_, &width, &height,
       gfx::Canvas::NO_ELLIPSIS | PrefixTypeToCanvasType(prefix_type_));
+
+  // Add 2 extra pixels to width and height when text halo is used.
+  if (has_text_halo_) {
+    width += 2;
+    height += 2;
+  }
+
   text_size_.SetSize(width, font_.GetHeight());
   max_text_size_.SetSize(std::max(max_text_size_.width(), text_size_.width()),
                          std::max(max_text_size_.height(),
                                   text_size_.height()));
   PreferredSizeChanged();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // TextButton, View overrides:
 
@@ skipping 30 matching lines @@
 
 std::string TextButton::GetClassName() const {
   return kViewClassName;
 }
 
 void TextButton::Paint(gfx::Canvas* canvas) {
   Paint(canvas, false);
 }
 
 }  // namespace views