getInstalledRelatedApps: Introduce random delay to stop timing attacks.

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 180 matching lines @@
     "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",
     "java/src/org/chromium/content/browser/input/TextInputState.java",
     "java/src/org/chromium/content/browser/input/ThreadedInputConnection.java",
     "java/src/org/chromium/content/browser/input/ThreadedInputConnectionFactory.java",
     "java/src/org/chromium/content/browser/input/ThreadedInputConnectionProxyView.java",
     "java/src/org/chromium/content/browser/installedapp/InstalledAppProviderFactory.java",
     "java/src/org/chromium/content/browser/installedapp/InstalledAppProviderImpl.java",
+    "java/src/org/chromium/content/browser/installedapp/PackageHash.java",
     "java/src/org/chromium/content/browser/picker/DateDialogNormalizer.java",
     "java/src/org/chromium/content/browser/picker/DatePickerDialogCompat.java",
     "java/src/org/chromium/content/browser/picker/DateTimePickerDialog.java",
     "java/src/org/chromium/content/browser/picker/DateTimeSuggestion.java",
     "java/src/org/chromium/content/browser/picker/DateTimeSuggestionListAdapter.java",
     "java/src/org/chromium/content/browser/picker/InputDialogContainer.java",
     "java/src/org/chromium/content/browser/picker/MonthPicker.java",
     "java/src/org/chromium/content/browser/picker/MonthPickerDialog.java",
     "java/src/org/chromium/content/browser/picker/MultiFieldTimePickerDialog.java",
     "java/src/org/chromium/content/browser/picker/TwoFieldDatePicker.java",
@@ skipping 251 matching lines @@
 
 junit_binary("content_junit_tests") {
   java_files = [
     "junit/src/org/chromium/content/browser/input/RangeTest.java",
     "junit/src/org/chromium/content/browser/input/TextInputStateTest.java",
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionFactoryTest.java",
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionTest.java",
     "junit/src/org/chromium/content/browser/picker/DateDialogNormalizerTest.java",
     "junit/src/org/chromium/content/browser/BindingManagerImplTest.java",
     "junit/src/org/chromium/content/browser/installedapp/InstalledAppProviderTest.java",
+    "junit/src/org/chromium/content/browser/installedapp/PackageHashTest.java",
   ]
   deps = [
     ":content_java",
     "//base:base_java",
     "//base:base_java_test_support",
     "//mojo/public/java:bindings_java",
     "//third_party/WebKit/public:android_mojo_bindings_java",
   ]
 }