Support WebP images in the IOSImageDecoderImpl

ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc

Index: ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
diff --git a/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc b/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
index e36004cbfef3097bc06c636e9b9f26d5abfd75bb..87590148b2b4f3feb2c7639e47aa0d92d11a0fff 100644
--- a/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
+++ b/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
@@ -9,6 +9,7 @@
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
+#include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "components/bookmarks/browser/bookmark_model.h"
@@ -50,8 +51,8 @@ using ntp_snippets::NTPSnippetsFetcher;
 using ntp_snippets::NTPSnippetsScheduler;
 using ntp_snippets::NTPSnippetsService;
 using ntp_snippets::NTPSnippetsStatusService;
+using suggestions::CreateIOSImageDecoder;
 using suggestions::ImageFetcherImpl;
-using suggestions::IOSImageDecoderImpl;
 
 namespace {
 
@@ -162,7 +163,7 @@ IOSChromeContentSuggestionsServiceFactory::BuildServiceInstanceFor(
                     : google_apis::GetNonStableAPIKey()),
             base::MakeUnique<ImageFetcherImpl>(
                 request_context.get(), web::WebThread::GetBlockingPool()),
-            base::MakeUnique<IOSImageDecoderImpl>(),
+            CreateIOSImageDecoder(task_runner),
             base::MakeUnique<NTPSnippetsDatabase>(database_dir, task_runner),
             base::MakeUnique<NTPSnippetsStatusService>(signin_manager, prefs));
     service->set_ntp_snippets_service(ntp_snippets_service.get());