Migrate add to homescreen data fetcher to use InstallableManager.

chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h

Index: chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h
diff --git a/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h b/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h
index d02b94576e07aa3f981ee13c89db80f71d8d2554..789d2c4cf234532f4fe3d91c8cd5f4d334eb1c58 100644
--- a/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h
+++ b/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h
@@ -7,13 +7,13 @@
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/android/shortcut_info.h"
-#include "chrome/common/web_application_info.h"
 #include "components/favicon_base/favicon_types.h"
 #include "content/public/browser/web_contents_observer.h"
-#include "content/public/common/manifest.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 
 namespace content {
 class WebContents;
@@ -24,6 +24,8 @@ class Message;
 }
 
 class GURL;
+struct InstallableData;
+struct WebApplicationInfo;
 
 // Aysnchronously fetches and processes data needed to create a shortcut for an
 // Android Home screen launcher.
@@ -70,10 +72,6 @@ class AddToHomescreenDataFetcher
   // IPC message received when the initialization is finished.
   void OnDidGetWebApplicationInfo(const WebApplicationInfo& web_app_info);
 
-  // Called when the Manifest has been parsed, or if no Manifest was found.
-  void OnDidGetManifest(const GURL& manifest_url,
-                        const content::Manifest& manifest);
-
   // Accessors, etc.
   void set_weak_observer(Observer* observer) { weak_observer_ = observer; }
   bool is_ready() { return is_ready_; }
@@ -91,14 +89,13 @@ class AddToHomescreenDataFetcher
   void OnFaviconFetched(
       const favicon_base::FaviconRawBitmapResult& bitmap_result);
 
+  // Called when InstallableManager finishes looking for a manifest and icon.
+  void OnDidPerformInstallableCheck(const InstallableData& data);
+
   // Creates the launcher icon from the given bitmap.
   void CreateLauncherIcon(
       const favicon_base::FaviconRawBitmapResult& bitmap_result);
 
-  // Callback run after an attempt to download manifest icon has been made. May
-  // kick off the download of a favicon if it failed (i.e. the bitmap is empty).
-  void OnManifestIconFetched(const GURL& icon_url, const SkBitmap& icon);
-
   // Notifies the observer that the shortcut data is all available.
   void NotifyObserver(const SkBitmap& icon);
 
@@ -112,7 +109,7 @@ class AddToHomescreenDataFetcher
   bool is_waiting_for_web_application_info_;
   bool is_icon_saved_;
   bool is_ready_;
-  base::Timer icon_timeout_timer_;
+  base::Timer data_timeout_timer_;
   ShortcutInfo shortcut_info_;
   GURL splash_screen_url_;