Allow add to homescreen and app banner strings to be changed via variations.

chrome/browser/android/banners/app_banner_manager_android.cc

 // Copyright 2015 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/banners/app_banner_manager_android.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/android/banners/app_banner_infobar_delegate_android.h"
 #include "chrome/browser/android/shortcut_helper.h"
 #include "chrome/browser/android/webapk/chrome_webapk_host.h"
 #include "chrome/browser/android/webapk/webapk_metrics.h"
 #include "chrome/browser/android/webapk/webapk_web_manifest_checker.h"
 #include "chrome/browser/banners/app_banner_metrics.h"
+#include "chrome/browser/banners/app_banner_settings_helper.h"
 #include "chrome/browser/manifest/manifest_icon_downloader.h"
 #include "chrome/browser/manifest/manifest_icon_selector.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "jni/AppBannerManager_jni.h"
 #include "net/base/url_util.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 using base::android::ConvertJavaStringToUTF8;
 using base::android::ConvertJavaStringToUTF16;
@@ skipping 251 matching lines @@
   }
   return std::string();
 }
 
 // static
 bool AppBannerManagerAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 // static
+jint GetHomescreenLanguageOption(JNIEnv* env,
+                                 const JavaParamRef<jclass>& clazz) {
+  return AppBannerSettingsHelper::GetHomescreenLanguageOption();
+}
+
+
+// static
 ScopedJavaLocalRef<jobject> GetJavaBannerManagerForWebContents(
     JNIEnv* env,
     const JavaParamRef<jclass>& clazz,
     const JavaParamRef<jobject>& java_web_contents) {
   AppBannerManagerAndroid* manager = AppBannerManagerAndroid::FromWebContents(
       content::WebContents::FromJavaWebContents(java_web_contents));
   return manager? ScopedJavaLocalRef<jobject>(manager->GetJavaBannerManager())
                 : ScopedJavaLocalRef<jobject>();
 }
 
 // static
 void SetEngagementWeights(JNIEnv* env,
                           const JavaParamRef<jclass>& clazz,
                           jdouble direct_engagement,
                           jdouble indirect_engagement) {
   AppBannerManager::SetEngagementWeights(direct_engagement,
                                          indirect_engagement);
 }
 
 // static
 void SetTimeDeltaForTesting(JNIEnv* env,
                             const JavaParamRef<jclass>& clazz,
                             jint days) {
   AppBannerManager::SetTimeDeltaForTesting(days);
 }
 
 }  // namespace banners