Tab audio indicator: Use animation container on Mac

chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.h

Index: chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.h
diff --git a/chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.h b/chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.h
index 853b8fe904ff304625bb75c73e0fa48f104fabae..4150bef23960651bc19fbb49ead1e8da27b203b8 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.h
+++ b/chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.h
@@ -15,6 +15,9 @@ class WebContents;
 }
 class TabAudioIndicator;
 class TabAudioIndicatorDelegateMac;
+namespace ui {
+class AnimationContainer;
+}
 
 // A view that draws an audio indicator on top of a favicon.
 @interface TabAudioIndicatorViewMac : NSView {
@@ -27,6 +30,8 @@ class TabAudioIndicatorDelegateMac;
 
 - (void)setBackgroundImage:(NSImage*)backgroundImage;
 
+- (void)setAnimationContainer:(ui::AnimationContainer*)animationContainer;
+
 - (BOOL)isAnimating;
 
 @end