Move media permission checking logic for ChromeOS login pages

chrome/browser/chromeos/login/ui/webui_login_view.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 
 #include "ash/common/focus_cycler.h"
 #include "ash/common/system/status_area_widget_delegate.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/wm_shell.h"
@@ skipping 10 matching lines @@
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 #include "chrome/browser/chromeos/login/ui/preloaded_web_view.h"
 #include "chrome/browser/chromeos/login/ui/preloaded_web_view_factory.h"
 #include "chrome/browser/chromeos/login/ui/proxy_settings_dialog.h"
 #include "chrome/browser/chromeos/login/ui/web_contents_forced_title.h"
 #include "chrome/browser/chromeos/login/ui/web_contents_set_background_color.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_display.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
-#include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
 #include "chrome/browser/media/webrtc/media_stream_devices_controller.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/renderer_preferences_util.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/browser/ui/ash/system_tray_client.h"
 #include "chrome/browser/ui/autofill/chrome_autofill_client.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/network/network_state.h"
 #include "chromeos/network/network_state_handler.h"
-#include "chromeos/settings/cros_settings_names.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
 #include "components/password_manager/core/browser/password_manager.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
@@ skipping 498 matching lines @@
         reverse ? ash::FocusCycler::BACKWARD : ash::FocusCycler::FORWARD);
   }
 
   return true;
 }
 
 void WebUILoginView::RequestMediaAccessPermission(
     WebContents* web_contents,
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback) {
+  // Note: This is only needed for SAML logins.
   MediaStreamDevicesController controller(web_contents, request, callback);
-  if (!controller.IsAskingForAudio() && !controller.IsAskingForVideo())
-    return;
-
-  if (controller.IsAskingForAudio()) {
-    controller.PermissionDenied();
-    return;
-  }
-
-  const CrosSettings* const settings = CrosSettings::Get();
-  if (!settings) {
-    controller.PermissionDenied();
-    return;
-  }
-
-  const base::Value* const raw_list_value =
-      settings->GetPref(kLoginVideoCaptureAllowedUrls);
-  if (!raw_list_value) {
-    controller.PermissionDenied();
-    return;
-  }
-
-  const base::ListValue* list_value;
-  CHECK(raw_list_value->GetAsList(&list_value));
-  for (const auto& base_value : *list_value) {
-    std::string value;
-    if (base_value->GetAsString(&value)) {
-      ContentSettingsPattern pattern =
-          ContentSettingsPattern::FromString(value);
-      if (pattern == ContentSettingsPattern::Wildcard()) {
-        LOG(WARNING) << "Ignoring wildcard URL pattern: " << value;
-        continue;
-      }
-      if (pattern.IsValid() && pattern.Matches(request.security_origin)) {
-        controller.PermissionGranted();
-        return;
-      }
-    }
-  }
-  controller.PermissionDenied();
+  DCHECK(!controller.IsAskingForAudio() && !controller.IsAskingForVideo());
 }
 
 bool WebUILoginView::CheckMediaAccessPermission(
     content::WebContents* web_contents,
     const GURL& security_origin,
     content::MediaStreamType type) {
   return MediaCaptureDevicesDispatcher::GetInstance()
       ->CheckMediaAccessPermission(web_contents, security_origin, type);
 }
 
@@ skipping 16 matching lines @@
   if (should_emit_login_prompt_visible_) {
     VLOG(1) << "Login WebUI >> login-prompt-visible";
     chromeos::DBusThreadManager::Get()->GetSessionManagerClient()->
         EmitLoginPromptVisible();
   }
 
   webui_visible_ = true;
 }
 
 }  // namespace chromeos