Pass an instance of FaviconClient to FaviconService.

chrome/browser/favicon/favicon_service.cc

Index: chrome/browser/favicon/favicon_service.cc
diff --git a/chrome/browser/favicon/favicon_service.cc b/chrome/browser/favicon/favicon_service.cc
index d9f18ba55c814692f47f72ee4f2adc786db93ce8..a45c6afe181f7f827c210e7665e90eb5392f1860 100644
--- a/chrome/browser/favicon/favicon_service.cc
+++ b/chrome/browser/favicon/favicon_service.cc
@@ -77,10 +77,12 @@ std::vector<int> GetPixelSizesForFaviconScales(int size_in_dip) {
 
 }  // namespace
 
-FaviconService::FaviconService(Profile* profile)
-    : history_service_(HistoryServiceFactory::GetForProfile(
-          profile, Profile::EXPLICIT_ACCESS)),
-      profile_(profile) {
+FaviconService::FaviconService(Profile* profile, FaviconClient* favicon_client)
+    : history_service_(
+          HistoryServiceFactory::GetForProfile(profile,
+                                               Profile::EXPLICIT_ACCESS)),
+      profile_(profile),
+      favicon_client_(favicon_client) {
 }
 
 // static