[Material Design] Update Website Setting Icons in Omnibox on OSX

chrome/browser/ui/content_settings/content_setting_image_model.h

Index: chrome/browser/ui/content_settings/content_setting_image_model.h
diff --git a/chrome/browser/ui/content_settings/content_setting_image_model.h b/chrome/browser/ui/content_settings/content_setting_image_model.h
index 1206fbadf5c598ae21cd9f90625de89f838ea01c..7daf444a9918160213a16175806118d14ff7b84d 100644
--- a/chrome/browser/ui/content_settings/content_setting_image_model.h
+++ b/chrome/browser/ui/content_settings/content_setting_image_model.h
@@ -53,8 +53,9 @@ class ContentSettingImageModel {
   bool is_visible() const { return is_visible_; }
 
 #if defined(OS_MACOSX)
-  const gfx::Image& raster_icon() const { return raster_icon_; }
-  int raster_icon_id() const { return raster_icon_id_; }
+  // Calls UpdateFromWebContents() and returns true if the icon has changed.
+  bool UpdateFromWebContentsAndCheckIfIconChanged(
+      content::WebContents* web_contents);
 #endif
 
   gfx::Image GetIcon(SkColor nearby_text_color) const;