Implemented new Translate API for purely Objective-C clients.

ios/web_view/public/cwv_translate_delegate.h

Index: ios/web_view/public/cwv_translate_delegate.h
diff --git a/ios/web_view/public/cwv_translate_delegate.h b/ios/web_view/public/cwv_translate_delegate.h
deleted file mode 100644
index d05ab15d90d451f3331dc41aeeaad7493f6b2b45..0000000000000000000000000000000000000000
--- a/ios/web_view/public/cwv_translate_delegate.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2014 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_WEB_VIEW_PUBLIC_CWV_TRANSLATE_DELEGATE_H_
-#define IOS_WEB_VIEW_PUBLIC_CWV_TRANSLATE_DELEGATE_H_
-
-#import <ChromeWebView/cwv_export.h>
-#import <Foundation/Foundation.h>
-
-@protocol CWVTranslateManager;
-
-typedef NS_ENUM(NSInteger, CRIWVTransateStep) {
-  CRIWVTransateStepBeforeTranslate,
-  CRIWVTransateStepTranslating,
-  CRIWVTransateStepAfterTranslate,
-  CRIWVTransateStepError,
-};
-
-// Delegate interface for the CRIWVTranslate.  Embedders can implement the
-// functions in order to customize the behavior.
-CWV_EXPORT
-@protocol CWVTranslateDelegate
-
-- (void)translateStepChanged:(CRIWVTransateStep)step
-                     manager:(id<CWVTranslateManager>)manager;
-
-@end
-
-#endif  // IOS_WEB_VIEW_PUBLIC_CWV_TRANSLATE_DELEGATE_H_