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

chrome/browser/android/shortcut_helper.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/shortcut_helper.h"
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 46 matching lines @@
       info.source,
       info.theme_color,
       info.background_color);
 }
 
 // static
 void ShortcutHelper::FetchSplashScreenImage(
     content::WebContents* web_contents,
     const GURL& image_url,
     const int ideal_splash_image_size_in_dp,
+    const int minimum_splash_image_size_in_dp,
     const std::string& webapp_id) {
   // This is a fire and forget task. It is not vital for the splash screen image
   // to be downloaded so if the downloader returns false there is no fallback.
   ManifestIconDownloader::Download(
       web_contents,
       image_url,
       ideal_splash_image_size_in_dp,
+      minimum_splash_image_size_in_dp,
       base::Bind(&ShortcutHelper::StoreWebappData, webapp_id));
 }
 
 // static
 void ShortcutHelper::StoreWebappData(
     const std::string& webapp_id,
     const SkBitmap& splash_image) {
   if (splash_image.drawsNothing())
     return;
 
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jstring> java_webapp_id =
       base::android::ConvertUTF8ToJavaString(env, webapp_id);
   ScopedJavaLocalRef<jobject> java_splash_image =
       gfx::ConvertToJavaBitmap(&splash_image);
 
   Java_ShortcutHelper_storeWebappData(
       env,
       base::android::GetApplicationContext(),
       java_webapp_id.obj(),
       java_splash_image.obj());
 }
 
 bool ShortcutHelper::RegisterShortcutHelper(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }