Remove legacy InfoBarViewProtocol.

ios/chrome/browser/translate/before_translate_infobar_controller.mm

 // Copyright 2013 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.
 
 #include "ios/chrome/browser/translate/before_translate_infobar_controller.h"
 
 #include <stddef.h>
 #import <UIKit/UIKit.h>
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/translate/core/browser/translate_infobar_delegate.h"
 #include "ios/chrome/browser/translate/translate_infobar_tags.h"
 #import "ios/chrome/browser/ui/infobars/infobar_view.h"
 #import "ios/chrome/browser/ui/infobars/infobar_view_delegate.h"
-#import "ios/chrome/browser/ui/infobars/infobar_view_protocol.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/image/image.h"
 
 namespace {
 
 CGFloat kNavigationBarHeight = 44;
 CGFloat kUIPickerHeight = 216;
 CGFloat kUIPickerFontSize = 26;
 NSTimeInterval kPickerAnimationDurationInSeconds = 0.2;
 
@@ skipping 67 matching lines @@
 
 // Action for any of the user defined buttons.
 - (void)infoBarButtonDidPress:(id)sender;
 // Action for any of the user defined links.
 - (void)infobarLinkDidPress:(NSNumber*)tag;
 // Action for the language selection "Done" button.
 - (void)languageSelectionDone;
 // Dismisses the language selection view.
 - (void)dismissLanguageSelectionView;
 // Changes the text on the view to match the language.
-- (void)updateInfobarLabelOnView:(UIView<InfoBarViewProtocol>*)view;
+- (void)updateInfobarLabelOnView:(InfoBarView*)view;
 
 @end
 
 @implementation BeforeTranslateInfoBarController {
   translate::TranslateInfoBarDelegate* _translateInfoBarDelegate;  // weak
   // A fullscreen view that catches all touch events and contains a UIPickerView
   // and a UINavigationBar.
   base::scoped_nsobject<UIView> _languageSelectionView;
   // Stores whether the user is currently choosing in the UIPickerView the
   // original language, or the target language.
   NSUInteger _languageSelectionType;
   // The language picker.
   base::scoped_nsobject<UIPickerView> _languagePicker;
   // Navigation bar associated with the picker with "Done" and "Cancel" buttons.
   base::scoped_nsobject<UINavigationBar> _navigationBar;
   // The controller of the languagePicker. Needs to be an ivar because
   // |_languagePicker| does not retain it.
   base::scoped_nsobject<LanguagePickerController> _languagePickerController;
 }
 
 #pragma mark -
 #pragma mark InfoBarControllerProtocol
 
-- (UIView<InfoBarViewProtocol>*)viewForDelegate:
-                                    (infobars::InfoBarDelegate*)delegate
-                                          frame:(CGRect)frame {
-  base::scoped_nsobject<UIView<InfoBarViewProtocol>> infoBarView;
+- (InfoBarView*)viewForDelegate:(infobars::InfoBarDelegate*)delegate
+                          frame:(CGRect)frame {
+  base::scoped_nsobject<InfoBarView> infoBarView;
   _translateInfoBarDelegate = delegate->AsTranslateInfoBarDelegate();
   infoBarView.reset(
       [[InfoBarView alloc] initWithFrame:frame delegate:self.delegate]);
   // Icon
   gfx::Image icon = _translateInfoBarDelegate->GetIcon();
   if (!icon.IsEmpty())
     [infoBarView addLeftIcon:icon.ToUIImage()];
 
   // Main text.
   [self updateInfobarLabelOnView:infoBarView];
 
   // Close button.
   [infoBarView addCloseButtonWithTag:TranslateInfoBarIOSTag::BEFORE_DENY
                               target:self
                               action:@selector(infoBarButtonDidPress:)];
   // Other buttons.
   NSString* buttonAccept = l10n_util::GetNSString(IDS_TRANSLATE_INFOBAR_ACCEPT);
   NSString* buttonDeny = l10n_util::GetNSString(IDS_TRANSLATE_INFOBAR_DENY);
   [infoBarView addButton1:buttonAccept
                      tag1:TranslateInfoBarIOSTag::BEFORE_ACCEPT
                   button2:buttonDeny
                      tag2:TranslateInfoBarIOSTag::BEFORE_DENY
                    target:self
                    action:@selector(infoBarButtonDidPress:)];
   return [[infoBarView retain] autorelease];
 }
 
-- (void)updateInfobarLabelOnView:(UIView<InfoBarViewProtocol>*)view {
+- (void)updateInfobarLabelOnView:(InfoBarView*)view {
   NSString* originalLanguage = base::SysUTF16ToNSString(
       _translateInfoBarDelegate->original_language_name());
   NSString* targetLanguage = base::SysUTF16ToNSString(
       _translateInfoBarDelegate->target_language_name());
   base::string16 originalLanguageWithLink =
       base::SysNSStringToUTF16([[view class]
           stringAsLink:originalLanguage
                    tag:TranslateInfoBarIOSTag::BEFORE_SOURCE_LANGUAGE]);
   base::string16 targetLanguageWithLink = base::SysNSStringToUTF16([[view class]
       stringAsLink:targetLanguage
@@ skipping 193 matching lines @@
   [super removeView];
   [self dismissLanguageSelectionView];
 }
 
 - (void)detachView {
   [super detachView];
   [self dismissLanguageSelectionView];
 }
 
 @end