Use IOSImageDataFetcherWrapper

ios/chrome/browser/ui/settings/native_apps_collection_view_controller.mm

 // Copyright 2015 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.
 
 #import "ios/chrome/browser/ui/settings/native_apps_collection_view_controller.h"
 #import "ios/chrome/browser/ui/settings/native_apps_collection_view_controller_private.h"
 
 #import <StoreKit/StoreKit.h>
 
 #import "base/ios/weak_nsobject.h"
 #include "base/logging.h"
 #import "base/mac/foundation_util.h"
 #import "base/mac/scoped_nsobject.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/sys_string_conversions.h"
+#include "base/threading/sequenced_worker_pool.h"
+#include "components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h"
 #import "ios/chrome/browser/installation_notifier.h"
 #import "ios/chrome/browser/ui/collection_view/cells/MDCCollectionViewCell+Chrome.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_footer_item.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
 #import "ios/chrome/browser/ui/settings/cells/native_app_item.h"
 #import "ios/chrome/browser/ui/settings/settings_utils.h"
 #import "ios/chrome/common/string_util.h"
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #import "ios/public/provider/chrome/browser/native_app_launcher/native_app_metadata.h"
 #import "ios/public/provider/chrome/browser/native_app_launcher/native_app_whitelist_manager.h"
 #import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.h"
-#include "net/url_request/url_request_context_getter.h"
+#include "ios/web/public/web_thread.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 const NSInteger kTagShift = 1000;
 
 namespace {
 
 typedef NS_ENUM(NSInteger, SectionIdentifier) {
   SectionIdentifierLearnMore = kSectionIdentifierEnumZero,
   SectionIdentifierApps,
 };
 
 typedef NS_ENUM(NSInteger, ItemType) {
   ItemTypeApp = kItemTypeEnumZero,
   ItemTypeLearnMore,
 };
 
 }  // namespace
 
 @interface NativeAppsCollectionViewController ()<
     SKStoreProductViewControllerDelegate> {
-  net::URLRequestContextGetter* _requestContextGetter;  // weak
+  std::unique_ptr<image_fetcher::IOSImageDataFetcherWrapper> _imageFetcher;
   base::scoped_nsobject<NSArray> _nativeAppsInSettings;
   BOOL _userDidSomething;
 }
 
 // List of the native apps visible in Settings.
 @property(nonatomic, copy) NSArray* appsInSettings;
 
 // Delegate for App-Store-related operations.
 @property(nonatomic, assign) id<StoreKitLauncher> storeKitLauncher;
 
@@ skipping 29 matching lines @@
 @end
 
 @implementation NativeAppsCollectionViewController
 
 @synthesize storeKitLauncher = _storeKitLauncher;
 
 - (id)initWithURLRequestContextGetter:
     (net::URLRequestContextGetter*)requestContextGetter {
   self = [super initWithStyle:CollectionViewControllerStyleAppBar];
   if (self) {
-    _requestContextGetter = requestContextGetter;
+    _imageFetcher = base::MakeUnique<image_fetcher::IOSImageDataFetcherWrapper>(
+        requestContextGetter, web::WebThread::GetBlockingPool());
     base::RecordAction(base::UserMetricsAction("MobileGALOpenSettings"));
     _storeKitLauncher = self;
 
     [self loadModel];
   }
   return self;
 }
 
 #pragma mark - View lifecycle
 
@@ skipping 89 matching lines @@
   [appCell.installButton addTarget:self
                             action:@selector(installApp:)
                   forControlEvents:UIControlEventTouchUpInside];
   CollectionViewItem* item =
       [self.collectionViewModel itemAtIndexPath:indexPath];
   NativeAppItem* appItem = base::mac::ObjCCastStrict<NativeAppItem>(item);
   if (!appItem.icon) {
     // Fetch the real icon.
     base::WeakNSObject<NativeAppsCollectionViewController> weakSelf(self);
     id<NativeAppMetadata> metadata = [self nativeAppAtIndex:indexPath.item];
-    [metadata
-        fetchSmallIconWithContext:_requestContextGetter
-                  completionBlock:^(UIImage* image) {
-                    base::scoped_nsobject<NativeAppsCollectionViewController>
-                        strongSelf([weakSelf retain]);
-                    if (!image || !strongSelf)
-                      return;
-                    appItem.icon = image;
-                    [strongSelf.get().collectionView
-                        reloadItemsAtIndexPaths:@[ indexPath ]];
-                  }];
+    [metadata fetchSmallIconWithImageFetcher:_imageFetcher.get()
+                             completionBlock:^(UIImage* image) {
+                               base::scoped_nsobject<
+                                   NativeAppsCollectionViewController>
+                                   strongSelf([weakSelf retain]);
+                               if (!image || !strongSelf)
+                                 return;
+                               appItem.icon = image;
+                               [strongSelf.get().collectionView
+                                   reloadItemsAtIndexPaths:@[ indexPath ]];
+                             }];
   }
 }
 
 - (CollectionViewItem*)learnMoreItem {
   NSString* learnMoreText =
       l10n_util::GetNSString(IDS_IOS_GOOGLE_APPS_SM_SECTION_HEADER);
   CollectionViewFooterItem* learnMoreItem = [[[CollectionViewFooterItem alloc]
       initWithType:ItemTypeLearnMore] autorelease];
   learnMoreItem.text = learnMoreText;
   return learnMoreItem;
@@ skipping 157 matching lines @@
 
 - (NSIndexPath*)indexPathForTag:(NSInteger)shiftedTag {
   NSInteger unshiftedTag = shiftedTag - kTagShift;
   return [NSIndexPath
       indexPathForItem:unshiftedTag
              inSection:[self.collectionViewModel
                            sectionForSectionIdentifier:SectionIdentifierApps]];
 }
 
 @end