Convert location bar decorations to Material Design (Mac).

chrome/browser/ui/cocoa/location_bar/bubble_decoration.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_LOCATION_BAR_BUBBLE_DECORATION_H_
 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_BUBBLE_DECORATION_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/gtest_prod_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h"
 #import "ui/base/cocoa/appkit_utils.h"
 
 // Draws an outlined rounded rect, with an optional image to the left
 // and an optional text label to the right.
 
 class BubbleDecoration : public LocationBarDecoration {
  public:
   BubbleDecoration();
   ~BubbleDecoration() override;
 
   // Setup the drawing parameters.
   NSImage* GetImage();
+  virtual NSColor* GetBackgroundBorderColor() = 0;
   void SetImage(NSImage* image);
   void SetLabel(NSString* label);
   void SetTextColor(NSColor* text_color);
   virtual ui::NinePartImageIds GetBubbleImageIds() = 0;
 
   // Implement |LocationBarDecoration|.
   void DrawInFrame(NSRect frame, NSView* control_view) override;
   void DrawWithBackgroundInFrame(NSRect background_frame,
                                  NSRect frame,
                                  NSView* control_view) override;
@@ skipping 19 matching lines @@
   // Label to draw to right of image.  Can be |nil|.
   base::scoped_nsobject<NSString> label_;
 
   // Contains attribute for drawing |label_|.
   base::scoped_nsobject<NSMutableDictionary> attributes_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleDecoration);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_BUBBLE_DECORATION_H_