Import Objective C Frameworks

ios/chrome/browser/ui/background_generator.h

 // Copyright 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_BACKGROUND_GENERATOR_H_
 #define IOS_CHROME_BROWSER_UI_BACKGROUND_GENERATOR_H_
 
-#include <UIKit/UIKit.h>
+#import <UIKit/UIKit.h>
 
 // Returns a UIImage of size |backgroundRect| with a radial gradient image at
 // |centerPoint| and radiates outwards to a radius of |radius|. The gradient
 // starts from |centerColor| at |centerPoint| to |outsideColor| at the end of
 // |radius|. |tileImage| is tiled over the entire image and |logoImage| is
 // rendered at |centerPoint|.
 // |tileImage| and |logoImage| may be nil.
 UIImage* GetRadialGradient(CGRect backgroundRect,
                            CGPoint centerPoint,
                            CGFloat radius,
                            CGFloat centerColor,
                            CGFloat outsideColor,
                            UIImage* tileImage,
                            UIImage* logoImage);
 
 // Installs the stack view/empty tab view background in |view|.
 void InstallBackgroundInView(UIView* view);
 
 #endif  // IOS_CHROME_BROWSER_UI_BACKGROUND_GENERATOR_H_