webapps: initial addition of splash screen icon downloading

chrome/browser/banners/app_banner_data_fetcher.cc

Index: chrome/browser/banners/app_banner_data_fetcher.cc
diff --git a/chrome/browser/banners/app_banner_data_fetcher.cc b/chrome/browser/banners/app_banner_data_fetcher.cc
index edaeb19b73c8c368eae2610b25f9c2d814fe3110..21e29df41b928b79dd8ce2651a5b76bef3fc8bcb 100644
--- a/chrome/browser/banners/app_banner_data_fetcher.cc
+++ b/chrome/browser/banners/app_banner_data_fetcher.cc
@@ -74,9 +74,9 @@ void AppBannerDataFetcher::SetTimeDeltaForTesting(int days) {
 AppBannerDataFetcher::AppBannerDataFetcher(
     content::WebContents* web_contents,
     base::WeakPtr<Delegate> delegate,
-    int ideal_icon_size)
+    int ideal_icon_size_in_dp)
     : WebContentsObserver(web_contents),
-      ideal_icon_size_(ideal_icon_size),
+      ideal_icon_size_in_dp_(ideal_icon_size_in_dp),
       weak_delegate_(delegate),
       is_active_(false),
       was_canceled_by_page_(false),
@@ -319,7 +319,7 @@ void AppBannerDataFetcher::OnHasServiceWorker(
   GURL icon_url =
     ManifestIconSelector::FindBestMatchingIcon(
         web_app_data_.icons,
-        ideal_icon_size_,
+        ideal_icon_size_in_dp_,
         gfx::Screen::GetScreenFor(web_contents->GetNativeView()));
 
   if (!FetchAppIcon(web_contents, icon_url)) {
@@ -333,7 +333,7 @@ bool AppBannerDataFetcher::FetchAppIcon(content::WebContents* web_contents,
   return ManifestIconDownloader::Download(
       web_contents,
       icon_url,
-      ideal_icon_size_,
+      ideal_icon_size_in_dp_,
       base::Bind(&AppBannerDataFetcher::OnAppIconFetched,
                  this));
 }