Replace AppBannerDataFetcher with InstallableManager.

chrome/browser/banners/app_banner_data_fetcher.h

Index: chrome/browser/banners/app_banner_data_fetcher.h
diff --git a/chrome/browser/banners/app_banner_data_fetcher.h b/chrome/browser/banners/app_banner_data_fetcher.h
deleted file mode 100644
index e5b259aecbd67de834c00b4256890f8d147fb267..0000000000000000000000000000000000000000
--- a/chrome/browser/banners/app_banner_data_fetcher.h
+++ /dev/null
@@ -1,218 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_BANNERS_APP_BANNER_DATA_FETCHER_H_
-#define CHROME_BROWSER_BANNERS_APP_BANNER_DATA_FETCHER_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "base/time/time.h"
-#include "chrome/common/web_application_info.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "content/public/common/manifest.h"
-#include "third_party/WebKit/public/platform/modules/app_banner/WebAppBannerPromptReply.h"
-
-namespace chrome {
-class BitmapFetcher;
-}  // namespace chrome
-
-namespace infobars {
-class InfoBar;
-}  // namespace infobars
-
-namespace banners {
-class AppBannerDataFetcher;
-
-// Fetches data required to show a web app banner for the URL currently shown by
-// the WebContents.
-class AppBannerDataFetcher : public base::RefCountedThreadSafe<
-                                 AppBannerDataFetcher,
-                                 content::BrowserThread::DeleteOnUIThread>,
-                             public content::WebContentsObserver {
- public:
-  class Observer {
-   public:
-    virtual void OnDecidedWhetherToShow(AppBannerDataFetcher* fetcher,
-                                        bool will_show) = 0;
-    virtual void OnFetcherDestroyed(AppBannerDataFetcher* fetcher) = 0;
-  };
-
-  class Delegate {
-   public:
-    // Called to handle a non-web app. Returns |true| if the non-web app can be
-    // handled, and the fetcher needs to remain active and wait for a callback.
-    virtual bool HandleNonWebApp(const std::string& platform,
-                                 const GURL& url,
-                                 const std::string& id,
-                                 bool is_debug_mode) = 0;
-  };
-
-  // Returns the current time.
-  static base::Time GetCurrentTime();
-
-  // Fast-forwards the current time for testing.
-  static void SetTimeDeltaForTesting(int days);
-
-  AppBannerDataFetcher(content::WebContents* web_contents,
-                       base::WeakPtr<Delegate> weak_delegate,
-                       int ideal_icon_size_in_dp,
-                       int minimum_icon_size_in_dp,
-                       bool is_debug_mode);
-
-  // Begins creating a banner for the URL being displayed by the Delegate's
-  // WebContents.
-  void Start(const GURL& validated_url, ui::PageTransition transition_type);
-
-  // Stops the pipeline when any asynchronous calls return.
-  void Cancel();
-
-  // Replaces the WebContents that is being observed.
-  void ReplaceWebContents(content::WebContents* web_contents);
-
-  // Adds an observer to the list.
-  void AddObserverForTesting(Observer* observer);
-
-  // Removes an observer from the list.
-  void RemoveObserverForTesting(Observer* observer);
-
-  // Returns whether or not the pipeline has been stopped.
-  bool is_active() { return is_active_; }
-
-  // Returns whether the beforeinstallprompt Javascript event was canceled.
-  bool was_canceled_by_page() { return was_canceled_by_page_; }
-
-  // Returns whether the page has validly requested that the banner be shown
-  // by calling prompt() on the beforeinstallprompt Javascript event.
-  bool page_requested_prompt() { return page_requested_prompt_; }
-
-  // Returns true when it was created by the user action in DevTools or
-  // "bypass-app-banner-engagement-checks" flag is set.
-  bool is_debug_mode() const { return is_debug_mode_; }
-
-  // Returns the type of transition which triggered this fetch.
-  ui::PageTransition transition_type() { return transition_type_; }
-
-  // Returns the URL that kicked off the banner data retrieval.
-  const GURL& validated_url() { return validated_url_; }
-
-  // WebContentsObserver overrides.
-  void WebContentsDestroyed() override;
-  void DidNavigateMainFrame(
-      const content::LoadCommittedDetails& details,
-      const content::FrameNavigateParams& params) override;
-  bool OnMessageReceived(const IPC::Message& message,
-                         content::RenderFrameHost* render_frame_host) override;
-
- protected:
-  ~AppBannerDataFetcher() override;
-
-  // Return a string describing what type of banner is being created. Used when
-  // alerting websites that a banner is about to be created.
-  virtual std::string GetBannerType();
-
-  // Called after the manager sends a message to the renderer regarding its
-  // intention to show a prompt. The renderer will send a message back with the
-  // opportunity to cancel.
-  void OnBannerPromptReply(content::RenderFrameHost* render_frame_host,
-                           int request_id,
-                           blink::WebAppBannerPromptReply reply,
-                           std::string referrer);
-
-  // Called when the client has prevented a banner from being shown, and is
-  // now requesting that it be shown later.
-  void OnRequestShowAppBanner(content::RenderFrameHost* render_frame_host,
-                              int request_id);
-
-  content::WebContents* GetWebContents();
-  virtual std::string GetAppIdentifier();
-  const GURL& manifest_url() { return manifest_url_; }
-  const content::Manifest& manifest() { return manifest_; }
-  void set_app_title(const base::string16& title) { app_title_ = title; }
-  int event_request_id() { return event_request_id_; }
-
-  // Fetches the icon at the given URL asynchronously, returning |false| if a
-  // load could not be started.
-  bool FetchAppIcon(content::WebContents* web_contents, const GURL& url);
-
-  // Records that a banner was shown. The |event_name| corresponds to the RAPPOR
-  // metric being recorded.
-  void RecordDidShowBanner(const std::string& event_name);
-
- private:
-  // Callbacks for data retrieval.
-  void OnDidGetManifest(const GURL& manifest_url,
-                        const content::Manifest& manifest);
-  void OnDidCheckHasServiceWorker(bool has_service_worker);
-  void OnAppIconFetched(const SkBitmap& bitmap);
-
-  // Called when it is determined that the webapp has fulfilled the initial
-  // criteria of having a manifest and a service worker.
-  void OnHasServiceWorker(content::WebContents* web_contents);
-
-  // Returns whether the given web app has already been installed.
-  virtual bool IsWebAppInstalled(content::BrowserContext* browser_context,
-                                 const GURL& start_url);
-
-  // Record that the banner could be shown at this point, if the triggering
-  // heuristic allowed.
-  void RecordCouldShowBanner();
-
-  // Creates a banner for the app using the given icon.
-  virtual void ShowBanner(const GURL& icon_url,
-                          const SkBitmap* icon,
-                          const base::string16& title,
-                          const std::string& referrer) = 0;
-
-  // Returns whether the banner should be shown.
-  bool CheckIfShouldShowBanner();
-
-  // Returns whether the fetcher is active and web contents have not been
-  // closed.
-  bool CheckFetcherIsStillAlive(content::WebContents* web_contents);
-
-  // Returns whether the given Manifest is following the requirements to show
-  // a web app banner.
-  static bool IsManifestValidForWebApp(const content::Manifest& manifest,
-                                       content::WebContents* web_contents,
-                                       bool is_debug_mode);
-
-  const base::WeakPtr<Delegate> weak_delegate_;
-  const int ideal_icon_size_in_dp_;
-  const int minimum_icon_size_in_dp_;
-  base::ObserverList<Observer> observer_list_;
-  bool is_active_;
-  bool was_canceled_by_page_;
-  bool page_requested_prompt_;
-  const bool is_debug_mode_;
-  ui::PageTransition transition_type_;
-  int event_request_id_;
-  GURL app_icon_url_;
-  std::unique_ptr<SkBitmap> app_icon_;
-  std::string referrer_;
-
-  GURL validated_url_;
-  base::string16 app_title_;
-
-  // The URL of the Web app manifest.
-  GURL manifest_url_;
-
-  content::Manifest manifest_;
-
-  friend struct content::BrowserThread::DeleteOnThread<
-      content::BrowserThread::UI>;
-  friend class base::DeleteHelper<AppBannerDataFetcher>;
-  friend class AppBannerDataFetcherUnitTest;
-  friend class base::RefCounted<AppBannerDataFetcher>;
-  DISALLOW_COPY_AND_ASSIGN(AppBannerDataFetcher);
-};
-
-}  // namespace banners
-
-#endif  // CHROME_BROWSER_BANNERS_APP_BANNER_DATA_FETCHER_H_