Remove unused splash_screen_url field from web app manifest parsing

This is a follow up CL to https://chromium-review.googlesource.com/c/chromium/src/+/1662093
which removed the (disabled) PwaImprovedSplashScreen flag.

This removes the "splash_screen_url" field in app manifests which was
parsed, stored, but never used.

TBR: [email protected]
Bug: 759945
Change-Id: I725bf48e7aae3c12db350bbe2f3d4ae746d15e40
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1662102
Commit-Queue: Alan Cutter <[email protected]>
Reviewed-by: Dominick Ng <[email protected]>
Cr-Commit-Position: refs/heads/master@{#670017}
diff --git a/chrome/browser/android/shortcut_helper.cc b/chrome/browser/android/shortcut_helper.cc
index 270093b..ec24eeb 100644
--- a/chrome/browser/android/shortcut_helper.cc
+++ b/chrome/browser/android/shortcut_helper.cc
@@ -98,9 +98,6 @@
   ScopedJavaLocalRef<jstring> java_best_primary_icon_url =
       base::android::ConvertUTF8ToJavaString(env,
                                              info.best_primary_icon_url.spec());
-  ScopedJavaLocalRef<jstring> java_splash_screen_url =
-      base::android::ConvertUTF8ToJavaString(env,
-                                             info.splash_screen_url.spec());
   ScopedJavaLocalRef<jobject> java_bitmap;
   if (!icon_bitmap.drawsNothing())
     java_bitmap = gfx::ConvertToJavaBitmap(&icon_bitmap);
@@ -117,8 +114,7 @@
       java_short_name, java_best_primary_icon_url, java_bitmap,
       is_icon_maskable, info.display, info.orientation, info.source,
       OptionalSkColorToJavaColor(info.theme_color),
-      OptionalSkColorToJavaColor(info.background_color), java_splash_screen_url,
-      callback_pointer);
+      OptionalSkColorToJavaColor(info.background_color), callback_pointer);
 }
 
 // Adds a shortcut which opens in a browser tab to the launcher.