Upstream Chrome on iOS source code [6/11].

ios/chrome/browser/ui/omnibox/truncating_attributed_label.h

+// Copyright (c) 2012 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_OMNIBOX_TRUNCATING_ATTRIBUTED_LABEL_H_
+#define IOS_CHROME_BROWSER_UI_OMNIBOX_TRUNCATING_ATTRIBUTED_LABEL_H_
+
+#import <CoreText/CoreText.h>
+#import <QuartzCore/QuartzCore.h>
+#import <UIKit/UIKit.h>
+
+#include "base/mac/scoped_nsobject.h"
+
+typedef enum {
+  OmniboxPopupTruncatingTail = 0x1,
+  OmniboxPopupTruncatingHead = 0x2,
+  OmniboxPopupTruncatingHeadAndTail =
+      OmniboxPopupTruncatingHead | OmniboxPopupTruncatingTail
+} OmniboxPopupTruncatingMode;
+
+// This is a copy of GTMFadeTruncatingLabel that supports
+// NSMutableAttributedString to change font (face and size), and color by using
+// CATextLayer.  Unlike GTMFadeTruncatingLabel, it's not based on a UILabel, so
+// it does not support shadowOffset and shadowColor, baselineAdjustment,
+// highlighted, minimumFontSize, and numberOfLines.
+@interface OmniboxPopupTruncatingLabel : UIView
+
+// Which side(s) to truncate.
+@property(nonatomic, assign) OmniboxPopupTruncatingMode truncateMode;
+
+// Text alignment.
+@property(nonatomic, assign) NSTextAlignment textAlignment;
+
+// For display of an attributed string.
+@property(nonatomic, retain) NSMutableAttributedString* attributedText;
+
+// Set the label highlight state.
+@property(nonatomic, assign) BOOL highlighted;
+
+// Set the label highlight color.
+@property(nonatomic, retain) NSMutableAttributedString* highlightedText;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_OMNIBOX_TRUNCATING_ATTRIBUTED_LABEL_H_