Introduce ManifestUpgradeDetector for WebAPK to detect web manifest changes.

chrome/browser/android/webapps/add_to_homescreen_dialog_helper.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/webapps/add_to_homescreen_dialog_helper.h"
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 26 matching lines @@
 AddToHomescreenDialogHelper::AddToHomescreenDialogHelper(
     JNIEnv* env,
     jobject obj,
     content::WebContents* web_contents)
     : add_shortcut_pending_(false),
       data_fetcher_(new AddToHomescreenDataFetcher(web_contents,
           ShortcutHelper::GetIdealHomescreenIconSizeInDp(),
           ShortcutHelper::GetMinimumHomescreenIconSizeInDp(),
           ShortcutHelper::GetIdealSplashImageSizeInDp(),
           ShortcutHelper::GetMinimumSplashImageSizeInDp(),
-          this)) {
+          false, this)) {
   java_ref_.Reset(env, obj);
 }
 
 AddToHomescreenDialogHelper::~AddToHomescreenDialogHelper() {
   data_fetcher_->set_weak_observer(nullptr);
   data_fetcher_ = nullptr;
 }
 
 void AddToHomescreenDialogHelper::OnUserTitleAvailable(
     const base::string16& user_title) {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jstring> j_user_title =
       base::android::ConvertUTF16ToJavaString(env, user_title);
   Java_AddToHomescreenDialogHelper_onUserTitleAvailable(env,
                                                   java_ref_.obj(),
                                                   j_user_title.obj());
 }
 
-void AddToHomescreenDialogHelper::OnDataAvailable(const ShortcutInfo& info,
-                                                  const SkBitmap& icon) {
+void AddToHomescreenDialogHelper::OnDataAvailable(
+    const ShortcutInfo& info,
+    const SkBitmap& icon,
+    const std::vector<std::string>& icon_urls) {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> java_bitmap;
   if (icon.getSize())
     java_bitmap = gfx::ConvertToJavaBitmap(&icon);
 
   Java_AddToHomescreenDialogHelper_onIconAvailable(env,
                                              java_ref_.obj(),
                                              java_bitmap.obj());
 
   if (add_shortcut_pending_)
@@ skipping 60 matching lines @@
   content::WebContents* web_contents = data_fetcher_->web_contents();
   if (!web_contents)
     return;
 
   AppBannerSettingsHelper::RecordBannerEvent(
       web_contents, web_contents->GetURL(),
       data_fetcher_->shortcut_info().url.spec(),
       AppBannerSettingsHelper::APP_BANNER_EVENT_DID_ADD_TO_HOMESCREEN,
       base::Time::Now());
 }