Post notification after fetching articles

chrome/browser/android/ntp/content_suggestions_notification_helper.cc

 // Copyright 2016 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/ntp/content_suggestions_notification_helper.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
+#include "base/strings/utf_string_conversions.h"
 #include "jni/ContentSuggestionsNotificationHelper_jni.h"
+#include "ui/gfx/android/java_bitmap.h"
+#include "ui/gfx/image/image.h"
+#include "ui/gfx/image/image_skia.h"
 
 namespace ntp_snippets {
 
 void ContentSuggestionsNotificationHelper::OpenURL(const GURL& url) {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_ContentSuggestionsNotificationHelper_openUrl(
       env, base::android::ConvertUTF8ToJavaString(env, url.spec()));
 }
 
+void ContentSuggestionsNotificationHelper::SendNotification(
+    const GURL& url,
+    const base::string16& title,
+    const base::string16& text,
+    const gfx::Image& image) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  SkBitmap skimage = image.AsImageSkia().GetRepresentation(1.0f).sk_bitmap();
+  if (skimage.empty())
+    return;
+
+  Java_ContentSuggestionsNotificationHelper_showNotification(
+      env, base::android::ConvertUTF8ToJavaString(env, url.spec()),
+      base::android::ConvertUTF16ToJavaString(env, title),
+      base::android::ConvertUTF16ToJavaString(env, text),
+      gfx::ConvertToJavaBitmap(&skimage));
+}
+
+void ContentSuggestionsNotificationHelper::HideNotification() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_ContentSuggestionsNotificationHelper_hideNotification(env);
+}
+
 }  // namespace ntp_snippets