Remove JoystickScrollProvider

content/public/android/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 
 android_aidl("common_aidl") {
   interface_file = "java/src/org/chromium/content/common/common.aidl"
   import_include = "java/src"
@@ skipping 153 matching lines @@
     "java/src/org/chromium/content/browser/input/AnimationIntervalProvider.java",
     "java/src/org/chromium/content/browser/input/ChromiumBaseInputConnection.java",
     "java/src/org/chromium/content/browser/input/CursorAnchorInfoController.java",
     "java/src/org/chromium/content/browser/input/DateTimeChooserAndroid.java",
     "java/src/org/chromium/content/browser/input/FloatingPastePopupMenu.java",
     "java/src/org/chromium/content/browser/input/HandleViewResources.java",
     "java/src/org/chromium/content/browser/input/ImeAdapter.java",
     "java/src/org/chromium/content/browser/input/ImeUtils.java",
     "java/src/org/chromium/content/browser/input/InputMethodManagerWrapper.java",
     "java/src/org/chromium/content/browser/input/InputMethodUma.java",
-    "java/src/org/chromium/content/browser/input/JoystickScrollProvider.java",
     "java/src/org/chromium/content/browser/input/JoystickZoomProvider.java",
     "java/src/org/chromium/content/browser/input/LegacyPastePopupMenu.java",
     "java/src/org/chromium/content/browser/input/PastePopupMenu.java",
     "java/src/org/chromium/content/browser/input/Range.java",
     "java/src/org/chromium/content/browser/input/ReplicaInputConnection.java",
     "java/src/org/chromium/content/browser/input/SelectPopup.java",
     "java/src/org/chromium/content/browser/input/SelectPopupAdapter.java",
     "java/src/org/chromium/content/browser/input/SelectPopupDialog.java",
     "java/src/org/chromium/content/browser/input/SelectPopupDropdown.java",
     "java/src/org/chromium/content/browser/input/SelectPopupItem.java",
@@ skipping 251 matching lines @@
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionFactoryTest.java",
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionTest.java",
     "junit/src/org/chromium/content/browser/BindingManagerImplTest.java",
   ]
   deps = [
     ":content_java",
     "//base:base_java",
     "//base:base_java_test_support",
   ]
 }