The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f4caae01a3a9c0e16f205c7f047d695a72f2607c

commit f4caae01a3a9c0e16f205c7f047d695a72f2607c
Author: Timothy Loh <timloh@chromium.org>
Date: Mon Nov 27 05:36:00 2017

Remove peristence toggle experiment for permission prompts

The persistence toggle experiment for permission prompts ran from M56
to M59 and has since concluded. As we don't intend to proceed with
persistence toggles, this CL removes the code for the experiment.

Bug:  785679 
Change-Id: Iac674bc76bc028c13fc60fb9987468b4df5591be
TBR: yusufo@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/776135
Commit-Queue: Timothy Loh <timloh@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Reviewed-by: Matthew Jones <mdjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#519223}
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/java/res/layout/permission_dialog.xml
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/java/src/org/chromium/chrome/browser/infobar/PermissionInfoBar.java
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/java/src/org/chromium/chrome/browser/permissions/PermissionDialogController.java
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/java/src/org/chromium/chrome/browser/permissions/PermissionDialogDelegate.java
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/java/strings/android_chrome_strings.grd
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/javatests/src/org/chromium/chrome/browser/permissions/GeolocationTest.java
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/javatests/src/org/chromium/chrome/browser/permissions/MediaTest.java
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/javatests/src/org/chromium/chrome/browser/permissions/PermissionTestRule.java
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/android/javatests/src/org/chromium/chrome/browser/permissions/QuotaTest.java
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/about_flags.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/flag_descriptions.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/geolocation/geolocation_browsertest.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/grouped_permission_infobar_delegate_android.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_context_base.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_context_base.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_context_base_unittest.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_dialog_delegate.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_dialog_delegate.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_prompt_android.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_prompt_android.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request_impl.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request_impl.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request_manager.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request_manager.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request_manager_browsertest.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_request_manager_test_api.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_uma_util.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_uma_util.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_util.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/permissions/permission_util.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/safe_browsing/permission_reporter.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/safe_browsing/permission_reporter_unittest.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/android/infobars/grouped_permission_infobar.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/android/infobars/grouped_permission_infobar.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/android/infobars/permission_infobar.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/android/infobars/permission_infobar.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/cocoa/permission_bubble/permission_bubble_controller_unittest.mm
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/permission_bubble/permission_bubble_browser_test_util.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/permission_bubble/permission_prompt.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/views/permission_bubble/permission_prompt_impl.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/browser/ui/views/permission_bubble/permission_prompt_impl.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/common/chrome_features.cc
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/common/chrome_features.h
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/chrome/common/safe_browsing/permission_report.proto
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/testing/variations/fieldtrial_testing_config.json
[modify] https://crrev.com/f4caae01a3a9c0e16f205c7f047d695a72f2607c/tools/metrics/histograms/histograms.xml