[Mac] Test for Content Setting Decoration

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

Index: chrome/browser/ui/cocoa/location_bar/content_setting_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/content_setting_decoration.h b/chrome/browser/ui/cocoa/location_bar/content_setting_decoration.h
index d0c6e4a1d268b2b566cd0b51a8533301ba041f28..fe1c52ba499550c515f32df493453d750faea852 100644
--- a/chrome/browser/ui/cocoa/location_bar/content_setting_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/content_setting_decoration.h
@@ -17,6 +17,7 @@
 
 @class ContentSettingAnimationState;
 @class ContentSettingBubbleController;
+class ContentSettingDecorationTest;
 class ContentSettingImageModel;
 class LocationBarViewMac;
 class Profile;
@@ -49,6 +50,7 @@ class ContentSettingDecoration : public ImageDecoration {
   virtual void AnimationTimerFired();
 
  private:
+  friend class ContentSettingDecorationTest;
 
   void SetToolTip(NSString* tooltip);