Initial CL for talking to the WebAPK server to generate WebAPK

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)) {
+          this)),
+      browser_context_(web_contents->GetBrowserContext()) {
   java_ref_.Reset(env, obj);
 }
 
 AddToHomescreenDialogHelper::~AddToHomescreenDialogHelper() {
   data_fetcher_->set_weak_observer(nullptr);
   data_fetcher_ = nullptr;
 }
 
 void AddToHomescreenDialogHelper::OnUserTitleAvailable(
     const base::string16& user_title) {
@@ skipping 57 matching lines @@
   DCHECK(add_shortcut_pending_);
   if (!add_shortcut_pending_)
     return;
   add_shortcut_pending_ = false;
 
   RecordAddToHomescreen();
 
   const std::string& uid = base::GenerateGUID();
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
-      base::Bind(&ShortcutHelper::AddToLauncherInBackgroundWithSkBitmap, info,
-                 uid, icon,
+      base::Bind(&ShortcutHelper::AddToLauncherInBackgroundWithSkBitmap,
+                 browser_context_, info, uid, icon,
                  data_fetcher_->FetchSplashScreenImageCallback(uid)));
 }
 
 bool AddToHomescreenDialogHelper::RegisterAddToHomescreenDialogHelper(
       JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 void AddToHomescreenDialogHelper::RecordAddToHomescreen() {
   // Record that the shortcut has been added, so no banners will be shown
   // for this app.
   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());
 }