[ios clean] Moves animator and presenters under transitions

ios/clean/chrome/browser/ui/animators/zoom_transition_delegate.h

Index: ios/clean/chrome/browser/ui/animators/zoom_transition_delegate.h
diff --git a/ios/clean/chrome/browser/ui/animators/zoom_transition_delegate.h b/ios/clean/chrome/browser/ui/animators/zoom_transition_delegate.h
deleted file mode 100644
index 358273f4a0da7c1ed6e3c70be0b2d9971543aebe..0000000000000000000000000000000000000000
--- a/ios/clean/chrome/browser/ui/animators/zoom_transition_delegate.h
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2016 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 IOS_CLEAN_CHROME_BROWSER_UI_ANIMATORS_ZOOM_TRANSITION_DELEGATE_H_
-#define IOS_CLEAN_CHROME_BROWSER_UI_ANIMATORS_ZOOM_TRANSITION_DELEGATE_H_
-
-#import <UIKit/UIKit.h>
-
-@protocol ZoomTransitionDelegate<NSObject>
-// The rectangle to start or end a zoom transition in for the object identified
-// by |key|, expressed in |view|'s coordinates.
-- (CGRect)rectForZoomWithKey:(NSObject*)key inView:(UIView*)view;
-@end
-
-#endif  // IOS_CLEAN_CHROME_BROWSER_UI_ANIMATORS_ZOOM_TRANSITION_DELEGATE_H_