Using largest favicon for shortcut when possible.

chrome/browser/android/shortcut_helper.h

 // Copyright 2013 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_ANDROID_SHORTCUT_HELPER_H_
 #define CHROME_BROWSER_ANDROID_SHORTCUT_HELPER_H_
 
 #include "base/android/jni_helper.h"
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
@@ skipping 25 matching lines @@
 //    the shortcut.
 class ShortcutBuilder : public content::WebContentsObserver {
  public:
   enum ShortcutType {
     APP_SHORTCUT,
     APP_SHORTCUT_APPLE,
     BOOKMARK
   };
 
   explicit ShortcutBuilder(content::WebContents* web_contents,
-                           const string16& title);
+                           const string16& title,
+                           int launcher_large_icon_size);
   virtual ~ShortcutBuilder() {}
 
   void OnDidRetrieveWebappInformation(bool success,
                                       bool is_mobile_webapp_capable,
                                       bool is_apple_mobile_webapp_capable,
                                       const GURL& expected_url);
 
   void FinishAddingShortcut(const chrome::FaviconBitmapResult& bitmap_result);
 
   // WebContentsObserver
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void WebContentsDestroyed(content::WebContents* web_contents)
       OVERRIDE;
 
  private:
   void Destroy();
 
   GURL url_;
   string16 title_;
+  int launcher_large_icon_size_;
   ShortcutType shortcut_type_;
   CancelableTaskTracker cancelable_task_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(ShortcutBuilder);
 };
 
 class ShortcutHelper {
  public:
   // Adds a shortcut to the current URL to the Android home screen, firing
   // background tasks to pull all the data required.
   static void AddShortcut(content::WebContents* web_contents,
-                          const string16& title);
+                          const string16& title,
+                          int launcher_larger_icon_size);
 
   // Adds a shortcut to the launcher.  Must be called from a WorkerPool task.
   static void AddShortcutInBackground(
       const GURL& url,
       const base::string16& title,
       ShortcutBuilder::ShortcutType shortcut_type,
       const chrome::FaviconBitmapResult& bitmap_result);
 
   // Registers JNI hooks.
   static bool RegisterShortcutHelper(JNIEnv* env);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShortcutHelper);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_SHORTCUT_HELPER_H_