webapps: allow callers of icon downloader/selector to specify a minimum size

chrome/browser/banners/app_banner_manager_desktop.cc

Index: chrome/browser/banners/app_banner_manager_desktop.cc
diff --git a/chrome/browser/banners/app_banner_manager_desktop.cc b/chrome/browser/banners/app_banner_manager_desktop.cc
index 09d7fdf88f27a7dcc3338930cc277e878871fcd7..77f803ff940aa639e63c3b8230ec40fec1be3f6e 100644
--- a/chrome/browser/banners/app_banner_manager_desktop.cc
+++ b/chrome/browser/banners/app_banner_manager_desktop.cc
@@ -25,15 +25,15 @@ bool AppBannerManagerDesktop::IsEnabled() {
 }
 
 AppBannerDataFetcher* AppBannerManagerDesktop::CreateAppBannerDataFetcher(
-    base::WeakPtr<AppBannerDataFetcher::Delegate> weak_delegate,
-    const int ideal_icon_size) {
+    base::WeakPtr<AppBannerDataFetcher::Delegate> weak_delegate) {
   return new AppBannerDataFetcherDesktop(web_contents(), weak_delegate,
-                                         ideal_icon_size);
+                                         kMinimumIconSize,
+                                         kMinimumIconSize);
 }
 
 AppBannerManagerDesktop::AppBannerManagerDesktop(
     content::WebContents* web_contents)
-    : AppBannerManager(web_contents, kMinimumIconSize) {
+    : AppBannerManager(web_contents) {
 }
 
 }  // namespace banners