Update search chip icon for MD, vectorize.

chrome/browser/ui/views/location_bar/selected_keyword_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_SELECTED_KEYWORD_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_SELECTED_KEYWORD_VIEW_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/views/location_bar/icon_label_bubble_view.h"
 #include "ui/views/controls/label.h"
 
 class Profile;
 namespace gfx {
 class FontList;
 class Size;
 }
 
 // SelectedKeywordView displays the tab-to-search UI in the location bar view.
 class SelectedKeywordView : public IconLabelBubbleView {
  public:
   SelectedKeywordView(const gfx::FontList& font_list,
                       SkColor text_color,
                       SkColor parent_background_color,
                       Profile* profile);
   ~SelectedKeywordView() override;
 
+  // Resets the icon for this chip to its default (it may have been changed
+  // for an extension).
+  void ResetImage();
+
   // IconLabelBubbleView:
   gfx::Size GetPreferredSize() const override;
   gfx::Size GetMinimumSize() const override;
   void Layout() override;
 
   // The current keyword, or an empty string if no keyword is displayed.
   void SetKeyword(const base::string16& keyword);
   const base::string16& keyword() const { return keyword_; }
 
  private:
@@ skipping 11 matching lines @@
   // enough room to display the complete description.
   views::Label full_label_;
   views::Label partial_label_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(SelectedKeywordView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_SELECTED_KEYWORD_VIEW_H_