[WebAPKs]: Reduce the parameters of ShortcutHelper::AddToLauncherWithSkBitmap()

chrome/browser/android/shortcut_helper.h

Index: chrome/browser/android/shortcut_helper.h
diff --git a/chrome/browser/android/shortcut_helper.h b/chrome/browser/android/shortcut_helper.h
index 7a30fd3f0f8bdf2f15ef6fbd464371c70aed0343..64a4a2b929c6ac450dd9ab553489b8da051fc1c3 100644
--- a/chrome/browser/android/shortcut_helper.h
+++ b/chrome/browser/android/shortcut_helper.h
@@ -36,12 +36,9 @@ class ShortcutHelper {
   // added depends on the properties in |info|. Calls one of
   // InstallWebApkInBackgroundWithSkBitmap, AddWebappInBackgroundWithSkBitmap,
   // or AddShortcutInBackgroundWithSkBitmap.
-  static void AddToLauncherWithSkBitmap(
-      content::BrowserContext* browser_context,
-      const ShortcutInfo& info,
-      const std::string& webapp_id,
-      const SkBitmap& icon_bitmap,
-      const base::Closure& splash_image_callback);
+  static void AddToLauncherWithSkBitmap(content::WebContents* web_contents,
+                                        const ShortcutInfo& info,
+                                        const SkBitmap& icon_bitmap);
 
   // Installs WebAPK and adds shortcut to the launcher.
   static void InstallWebApkWithSkBitmap(