[Mac] App Menu Animated Icon

chrome/browser/ui/cocoa/toolbar/app_toolbar_button.h

Index: chrome/browser/ui/cocoa/toolbar/app_toolbar_button.h
diff --git a/chrome/browser/ui/cocoa/toolbar/app_toolbar_button.h b/chrome/browser/ui/cocoa/toolbar/app_toolbar_button.h
index bc4ef6894e4772e6c23def8777c6944be04aa079..fa3ee82b43cd8823abd44a3b1fd1f47e8ad81803 100644
--- a/chrome/browser/ui/cocoa/toolbar/app_toolbar_button.h
+++ b/chrome/browser/ui/cocoa/toolbar/app_toolbar_button.h
@@ -12,17 +12,27 @@
 #import "chrome/browser/ui/cocoa/menu_button.h"
 #include "chrome/browser/ui/toolbar/app_menu_icon_controller.h"
 
+class AppMenuAnimation;
+class AppMenuBridgeCocoa;
+
 // Button for the app toolbar button.
 @interface AppToolbarButton : MenuButton {
  @private
   AppMenuIconController::Severity severity_;
   AppMenuIconController::IconType type_;
+
+  // Used for animating and drawing the app menu icon.
+  std::unique_ptr<AppMenuBridgeCocoa> appMenuBridge_;
+  std::unique_ptr<AppMenuAnimation> appMenuAnimation_;
 }
 
 - (void)setSeverity:(AppMenuIconController::Severity)severity
            iconType:(AppMenuIconController::IconType)iconType
       shouldAnimate:(BOOL)shouldAnimate;
 
+// Called when a new tab had been inserted into the foreground.
+- (void)onTabInsertedInForeground;
+
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TOOLBAR_APP_TOOLBAR_BUTTON_H_