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

chrome/browser/banners/app_banner_data_fetcher_desktop.cc

Index: chrome/browser/banners/app_banner_data_fetcher_desktop.cc
diff --git a/chrome/browser/banners/app_banner_data_fetcher_desktop.cc b/chrome/browser/banners/app_banner_data_fetcher_desktop.cc
index c8fc63fa56365771ccecf405a354e8c5c87a383c..5cc7fa860070f8a7a551a973483014b573fde950 100644
--- a/chrome/browser/banners/app_banner_data_fetcher_desktop.cc
+++ b/chrome/browser/banners/app_banner_data_fetcher_desktop.cc
@@ -22,8 +22,12 @@ namespace banners {
 AppBannerDataFetcherDesktop::AppBannerDataFetcherDesktop(
     content::WebContents* web_contents,
     base::WeakPtr<Delegate> weak_delegate,
-    int ideal_icon_size)
-    : AppBannerDataFetcher(web_contents, weak_delegate, ideal_icon_size) {
+    int ideal_icon_size_in_dp,
+    int minimum_icon_size_in_dp)
+    : AppBannerDataFetcher(web_contents,
+                           weak_delegate,
+                           ideal_icon_size_in_dp,
+                           minimum_icon_size_in_dp) {
 }
 
 AppBannerDataFetcherDesktop::~AppBannerDataFetcherDesktop() {