Upstream Chrome on iOS source code [5/11].

ios/chrome/browser/ui/find_bar/find_bar_view.h

+// 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_CHROME_BROWSER_UI_FIND_BAR_FIND_BAR_VIEW_H_
+#define IOS_CHROME_BROWSER_UI_FIND_BAR_FIND_BAR_VIEW_H_
+
+#import <UIKit/UIKit.h>
+
+// The a11y ID of the text input field in the find-in-page bar.
+extern NSString* const kFindInPageInputFieldId;
+
+// The a11y ID of the "next" button in the find-in-page bar.
+extern NSString* const kFindInPageNextButtonId;
+
+// The a11y ID of the "previous" button in the find-in-page bar.
+extern NSString* const kFindInPagePreviousButtonId;
+
+// The a11y ID of the "close" button in the find-in-page bar.
+extern NSString* const kFindInPageCloseButtonId;
+
+// Find bar view.
+// It shows a textfield that hosts the search term, a label with results count
+// in format of "1 of 13", and next/previous/close buttons.
+@interface FindBarView : UIView
+
+// Designated initializer.
+// |darkAppearance| makes the background to dark color and changes font colors
+// to lighter colors.
+- (instancetype)initWithDarkAppearance:(BOOL)darkAppearance
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
+- (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE;
+
+// Updates |resultsLabel| with |text|. Updates |inputField| layout so that input
+// text does not overlap with results count. |text| can be nil.
+- (void)updateResultsLabelWithText:(NSString*)text;
+
+// The textfield with search term.
+@property(nonatomic, assign) UITextField* inputField;
+// Button to go to previous search result.
+@property(nonatomic, assign) UIButton* previousButton;
+// Button to go to next search result.
+@property(nonatomic, assign) UIButton* nextButton;
+// Button to dismiss Find in Page.
+@property(nonatomic, assign) UIButton* closeButton;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_FIND_BAR_FIND_BAR_VIEW_H_