Upstream Chrome on iOS source code [4/11].

ios/chrome/browser/ui/contextual_search/contextual_search_header_view.h

+// 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_CHROME_BROWSER_UI_CONTEXTUAL_SEARCH_CONTEXTUAL_SEARCH_HEADER_VIEW_H_
+#define IOS_CHROME_BROWSER_UI_CONTEXTUAL_SEARCH_CONTEXTUAL_SEARCH_HEADER_VIEW_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/contextual_search/contextual_search_panel_protocols.h"
+
+@interface ContextualSearchHeaderView
+    : UIView<ContextualSearchPanelMotionObserver>
+
+@property(nonatomic, assign) id<ContextualSearchPanelTapHandler> tapHandler;
+
+- (instancetype)initWithHeight:(CGFloat)height NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE;
+
+- (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
+
+// Set the displayed text to |text|, with text in |followingTextRange| colored
+// gray.
+- (void)setText:(NSString*)text
+    followingTextRange:(NSRange)followingTextRange
+              animated:(BOOL)animated;
+
+// Set the diplayed text to |searchTerm|.
+- (void)setSearchTerm:(NSString*)searchTerm animated:(BOOL)animated;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_CONTEXTUAL_SEARCH_CONTEXTUAL_SEARCH_HEADER_VIEW_H_