Add LargeIconCache and LargeIconServiceFactory for iOS.

ios/chrome/browser/ui/uikit_ui_util.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_UIKIT_UI_UTIL_H_
 #define IOS_CHROME_BROWSER_UI_UIKIT_UI_UTIL_H_
 
 #include <CoreGraphics/CoreGraphics.h>
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
 
 #import "ios/chrome/browser/ui/ui_util.h"
+#include "ui/gfx/color_analysis.h"

[sdefresne, 2015/10/30 09:27:19]

Why not #include "third_party/skia/include/core/SkColor.h"?

[justincohen, 2015/10/30 11:59:21]

Because it's not allowed during git cl upload.

 
 // UI Util containing functions that require UIKit.
 
 enum { FONT_HELVETICA, FONT_HELVETICA_NEUE, FONT_HELVETICA_NEUE_LIGHT };
 
 // Utility function to set the |element|'s accessibility label to the localized
 // message corresponding to |idsAccessibilityLabel| and its accessibility
 // identifier to |englishUiAutomationName|.
 // Call SetA11yLabelAndUiAutomationName() if |element| is accessible and its
 // a11y label should be localized.
@@ skipping 160 matching lines @@
 // horizontal size class.
 bool IsCompact();
 
 // Whether the |environment| has a compact iPad horizontal size class.
 bool IsCompactTablet(id<UITraitEnvironment> environment);
 
 // Whether the main application window's rootViewController has a compact
 // iPad horizontal size class.
 bool IsCompactTablet();
 
+// Returns a UIColor for an SKColor and alpha.
+UIColor* ColorFromSkColor(SkColor color, CGFloat alpha);
+
 #endif  // IOS_CHROME_BROWSER_UI_UIKIT_UI_UTIL_H_