Merge ChromeShortcutManager into ShortcutHelper.

chrome/android/java/src/org/chromium/chrome/browser/AppHooks.java

Index: chrome/android/java/src/org/chromium/chrome/browser/AppHooks.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/AppHooks.java b/chrome/android/java/src/org/chromium/chrome/browser/AppHooks.java
index 642b8cac68ff65956839c2cba9b7cae768016342..b14babebe28fb411fe6b852d1a626e3dfe350e6d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/AppHooks.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/AppHooks.java
@@ -38,7 +38,6 @@ import org.chromium.chrome.browser.signin.GoogleActivityController;
 import org.chromium.chrome.browser.sync.GmsCoreSyncListener;
 import org.chromium.chrome.browser.tab.AuthenticatorNavigationInterceptor;
 import org.chromium.chrome.browser.tab.Tab;
-import org.chromium.chrome.browser.webapps.ChromeShortcutManager;
 import org.chromium.chrome.browser.webapps.GooglePlayWebApkInstallDelegate;
 import org.chromium.components.signin.AccountManagerDelegate;
 import org.chromium.components.signin.SystemAccountManagerDelegate;
@@ -114,12 +113,6 @@ public abstract class AppHooks {
         return null;
     }
 
-    /** Returns the singleton instance of ChromeShortcutManager */
-    // TODO(martiw): remove this function after ChromeShortcutManagerInternal is removed
-    public ChromeShortcutManager createChromeShortcutManager() {
-        return new ChromeShortcutManager();
-    }
-
     /**
      * @return An instance of {@link CustomTabsConnection}. Should not be called
      * outside of {@link CustomTabsConnection#getInstance()}.