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

chrome/browser/android/webapps/add_to_homescreen_dialog_helper.h

Index: chrome/browser/android/webapps/add_to_homescreen_dialog_helper.h
diff --git a/chrome/browser/android/webapps/add_to_homescreen_dialog_helper.h b/chrome/browser/android/webapps/add_to_homescreen_dialog_helper.h
index 06519a15fdd3a522aa889db234869d39311fcca8..8939fdbb9442350fe4bbcb004e8d1e1194166ed9 100644
--- a/chrome/browser/android/webapps/add_to_homescreen_dialog_helper.h
+++ b/chrome/browser/android/webapps/add_to_homescreen_dialog_helper.h
@@ -32,8 +32,10 @@ class AddToHomescreenDialogHelper :
   AddToHomescreenDialogHelper(JNIEnv* env,
                               jobject obj,
                               content::WebContents* web_contents,
+                              int ideal_icon_size_in_dp,
+                              int minimum_icon_size_in_dp,
                               int ideal_splash_image_size_in_dp,
-                              int ideal_icon_size_in_dp);
+                              int minimum_splash_image_size_in_dp);
 
   // Called by the Java counterpart to destroy its native half.
   void Destroy(JNIEnv* env, jobject obj);