Add support for highlighting menu items

chrome/android/java_sources.gni

 # Copyright 2016 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.
 
 chrome_java_sources = [
   "java/src/com/google/android/apps/chrome/appwidget/bookmarks/BookmarkThumbnailWidgetProvider.java",
   "java/src/org/chromium/chrome/browser/ActivityTabTaskDescriptionHelper.java",
   "java/src/org/chromium/chrome/browser/ActivityTaskDescriptionIconGenerator.java",
   "java/src/org/chromium/chrome/browser/AfterStartupTaskUtils.java",
   "java/src/org/chromium/chrome/browser/AppIndexingUtil.java",
@@ skipping 58 matching lines @@
   "java/src/org/chromium/chrome/browser/WindowDelegate.java",
   "java/src/org/chromium/chrome/browser/accessibility/FontSizePrefs.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenu.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenuAdapter.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenuButtonHelper.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenuDragHelper.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenuHandler.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenuItemIcon.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenuObserver.java",
   "java/src/org/chromium/chrome/browser/appmenu/AppMenuPropertiesDelegate.java",
+  "java/src/org/chromium/chrome/browser/appmenu/PulseDrawable.java",
+  "java/src/org/chromium/chrome/browser/appmenu/PulseDrawableFactory.java",
+  "java/src/org/chromium/chrome/browser/appmenu/PulseInterpolator.java",
   "java/src/org/chromium/chrome/browser/autofill/AutofillKeyboardAccessoryBridge.java",
   "java/src/org/chromium/chrome/browser/autofill/AutofillLogger.java",
   "java/src/org/chromium/chrome/browser/autofill/AutofillPopupBridge.java",
   "java/src/org/chromium/chrome/browser/autofill/CardUnmaskBridge.java",
   "java/src/org/chromium/chrome/browser/autofill/CardUnmaskPrompt.java",
   "java/src/org/chromium/chrome/browser/autofill/CreditCardScannerBridge.java",
   "java/src/org/chromium/chrome/browser/autofill/CreditCardScanner.java",
   "java/src/org/chromium/chrome/browser/autofill/PasswordGenerationAdapter.java",
   "java/src/org/chromium/chrome/browser/autofill/PasswordGenerationPopupBridge.java",
   "java/src/org/chromium/chrome/browser/autofill/PersonalDataManager.java",
@@ skipping 1601 matching lines @@
   "sync_shell/javatests/src/org/chromium/chrome/browser/sync/SyncTestBase.java",
   "sync_shell/javatests/src/org/chromium/chrome/browser/sync/TypedUrlsTest.java",
   "sync_shell/javatests/src/org/chromium/chrome/browser/sync/ui/PassphraseTypeDialogFragmentTest.java",
 ]
 
 # Only used for testing, should not be shipped to end users.
 if (!is_official_build) {
   chrome_java_sources += [ "java/src/org/chromium/chrome/browser/offlinepages/evaluation/OfflinePageEvaluationBridge.java" ]
   chrome_test_java_sources += [ "javatests/src/org/chromium/chrome/browser/offlinepages/OfflinePageSavePageLaterEvaluationTest.java" ]
 }