Implement a modal permission dialog on Android gated by a feature.

chrome/browser/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/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 3298 matching lines @@
       "password_manager/generated_password_saved_infobar_delegate_android.cc",
       "password_manager/generated_password_saved_infobar_delegate_android.h",
       "password_manager/password_manager_infobar_delegate_android.cc",
       "password_manager/password_manager_infobar_delegate_android.h",
       "password_manager/save_password_infobar_delegate_android.cc",
       "password_manager/save_password_infobar_delegate_android.h",
       "password_manager/update_password_infobar_delegate_android.cc",
       "password_manager/update_password_infobar_delegate_android.h",
       "permissions/grouped_permission_infobar_delegate_android.cc",
       "permissions/grouped_permission_infobar_delegate_android.h",
+      "permissions/permission_dialog_delegate.cc",
+      "permissions/permission_dialog_delegate.h",
       "permissions/permission_infobar_delegate.cc",
       "permissions/permission_infobar_delegate.h",
       "permissions/permission_prompt_android.cc",
       "permissions/permission_prompt_android.h",
       "permissions/permission_queue_controller.cc",
       "permissions/permission_queue_controller.h",
       "permissions/permission_update_infobar_delegate_android.cc",
       "permissions/permission_update_infobar_delegate_android.h",
       "platform_util_android.cc",
       "precache/precache_manager_factory.cc",
@@ skipping 573 matching lines @@
       "../android/java/src/org/chromium/chrome/browser/omnibox/OmniboxPrerender.java",
       "../android/java/src/org/chromium/chrome/browser/omnibox/OmniboxUrlEmphasizer.java",
       "../android/java/src/org/chromium/chrome/browser/omnibox/OmniboxViewUtil.java",
       "../android/java/src/org/chromium/chrome/browser/pageinfo/CertificateViewer.java",
       "../android/java/src/org/chromium/chrome/browser/pageinfo/ConnectionInfoPopup.java",
       "../android/java/src/org/chromium/chrome/browser/pageinfo/WebsiteSettingsPopup.java",
       "../android/java/src/org/chromium/chrome/browser/partnerbookmarks/PartnerBookmarksReader.java",
       "../android/java/src/org/chromium/chrome/browser/password_manager/AccountChooserDialog.java",
       "../android/java/src/org/chromium/chrome/browser/password_manager/AutoSigninFirstRunDialog.java",
       "../android/java/src/org/chromium/chrome/browser/password_manager/Credential.java",
+      "../android/java/src/org/chromium/chrome/browser/permissions/PermissionDialogController.java",
+      "../android/java/src/org/chromium/chrome/browser/permissions/PermissionDialogDelegate.java",
       "../android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java",
       "../android/java/src/org/chromium/chrome/browser/policy/PolicyAuditor.java",
       "../android/java/src/org/chromium/chrome/browser/precache/PrecacheLauncher.java",
       "../android/java/src/org/chromium/chrome/browser/preferences/LocationSettings.java",
       "../android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java",
       "../android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java",
       "../android/java/src/org/chromium/chrome/browser/preferences/privacy/BrowsingDataCounterBridge.java",
       "../android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java",
       "../android/java/src/org/chromium/chrome/browser/prerender/ExternalPrerenderHandler.java",
       "../android/java/src/org/chromium/chrome/browser/profiles/MostVisitedSites.java",
@@ skipping 442 matching lines @@
   # linking all of the test support.
   static_library("pepper_cdm_test_constants") {
     testonly = true
     visibility = [ "//chrome/*" ]
     sources = [
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }