Use IOSImageDataFetcherWrapper

ios/public/provider/chrome/browser/native_app_launcher/native_app_metadata.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_PUBLIC_PROVIDER_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_METADATA_H_
 #define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_METADATA_H_
 
 #import <Foundation/Foundation.h>
 
 #import "ios/public/provider/chrome/browser/native_app_launcher/native_app_types.h"
 
 @class ChromeIdentity;
 class GURL;
 @class UIImage;
 
+namespace image_fetcher {
+class IOSImageDataFetcherWrapper;
+}
+
 namespace net {
 class URLRequestContextGetter;
 }
 
 // Protocol todo describe
 @protocol NativeAppMetadata<NSObject>
 
 // Defines whether the app should be opened automatically upon Link Navigation.
 // This is a tri-state value internally: Yes, No, not set. However, externally,
 // only the Yes/No state is returned via the property getter. If the internal
@@ skipping 26 matching lines @@
 
 // Returns whether this native app is installed.
 - (BOOL)isInstalled;
 
 // Returns the URL string that launches Apple AppStore for this app.
 - (NSString*)appStoreURL;
 
 // Returns the URL to test if the app is installed.
 - (NSURL*)appURLforURL:(NSURL*)url;
 
+// Deprecated. Use fetchSmallIconWithImageFetcher:completionBlock: instead.
 // Calls |block| with the application icon. |contextGetter| must not be nil.
 - (void)fetchSmallIconWithContext:(net::URLRequestContextGetter*)contextGetter

[gambard, 2017/02/02 10:34:07]

Kept for downstream compatibility.

[gambard, 2017/02/02 10:46:02]

Wrong CL order. This is not needed.
Removed.

                   completionBlock:(void (^)(UIImage*))block;
 
+// Calls |block| with the application icon. |imageFetcher| must be kept alive
+// during the fetch.
+- (void)fetchSmallIconWithImageFetcher:
+            (image_fetcher::IOSImageDataFetcherWrapper*)imageFetcher
+                       completionBlock:(void (^)(UIImage*))block;
+
 // Returns whether this native application can open the |url|.
 - (BOOL)canOpenURL:(const GURL&)url;
 
 // Returns the launch URL with which the application can be opened. |gurl| is
 // the URL of the content in the web app. If |identity| is not nil, the
 // returned URL contains a hash associated with |identity|.
 - (GURL)launchURLWithURL:(const GURL&)gurl identity:(ChromeIdentity*)identity;
 
 // Resets values of shouldBypassInfobars and numberOfDismissedInfoBarsKey.
 - (void)resetInfobarHistory;
@@ skipping 14 matching lines @@
 - (void)willBeShownInInfobarOfType:(NativeAppControllerType)type;
 
 // Informs the metadata on what user action on the infobar has been taken.
 // Requires to have previously send the message -[NativeAppMetadata
 // willBeShownInInfobarOfType:].
 - (void)updateWithUserAction:(NativeAppActionType)userAction;
 
 @end
 
 #endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_METADATA_H_