Scope and clean up uses of AccessibilityMode.

content/renderer/render_frame_impl.cc

 // Copyright 2013 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 "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1086 matching lines @@
       web_user_media_client_(NULL),
 #if defined(OS_ANDROID)
       media_player_manager_(NULL),
 #endif
       media_surface_manager_(nullptr),
       devtools_agent_(nullptr),
       presentation_dispatcher_(NULL),
       push_messaging_client_(NULL),
       screen_orientation_dispatcher_(NULL),
       manifest_manager_(NULL),
-      accessibility_mode_(AccessibilityModeOff),
       render_accessibility_(NULL),
       media_player_delegate_(NULL),
       previews_state_(PREVIEWS_UNSPECIFIED),
       effective_connection_type_(
           blink::WebEffectiveConnectionType::TypeUnknown),
       is_pasting_(false),
       suppress_further_dialogs_(false),
       blame_context_(nullptr),
 #if BUILDFLAG(ENABLE_PLUGINS)
       focused_pepper_plugin_(nullptr),
@@ skipping 1012 matching lines @@
   if (render_accessibility_) {
     // Note: this isn't called automatically by the destructor because
     // there'd be no point in calling it in frame teardown, only if there's
     // an accessibility mode change but the frame is persisting.
     render_accessibility_->DisableAccessibility();
 
     delete render_accessibility_;
     render_accessibility_ = NULL;
   }
 
-  if (accessibility_mode_ & ACCESSIBILITY_MODE_FLAG_WEB_CONTENTS) {
+  if (accessibility_mode_.has_mode(AccessibilityMode::kWebContents)) {
     render_accessibility_ = new RenderAccessibilityImpl(
         this, accessibility_mode_);
   }
 
   for (auto& observer : observers_)
     observer.AccessibilityModeChanged();
 }
 
 void RenderFrameImpl::OnSnapshotAccessibilityTree(int callback_id) {
   AXContentTreeUpdate response;
@@ skipping 4743 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content