[chromecast] Remove obsolete accessibility_sound_delegate.h

Final cleanup after https://crrev.com/581931

Bug: internal b/73383411
Test: manual
Change-Id: I9407ebbaa7b189bf3b71aa1700451198ec5c5810
Reviewed-on: https://chromium-review.googlesource.com/1169586Reviewed-by: Alex Sakhartchouk <alexst@chromium.org>
Commit-Queue: Kevin Schoedel <kpschoedel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583062}

chromecast/browser/BUILD.gn

@@ -289,7 +289,6 @@ cast_source_set("browser") {
       sources += [
         "accessibility/accessibility_manager.cc",
         "accessibility/accessibility_manager.h",
-        "accessibility/accessibility_sound_delegate.h",
         "accessibility/accessibility_sound_player.h",
         "accessibility/accessibility_sound_proxy.h",
         "accessibility/accessibility_sound_proxy.cc",

chromecast/browser/accessibility/accessibility_manager.cc

@@ -77,10 +77,6 @@ void AccessibilityManager::SetScreenReader(bool enable) {
   touch_exploration_manager_->Enable(enable);
 }
 
-void AccessibilityManager::EnableTouchExploration(bool enable) {
-  SetScreenReader(enable);
-}
-
 void AccessibilityManager::SetTouchAccessibilityAnchorPoint(
     const gfx::Point& anchor_point) {
   touch_exploration_manager_->SetTouchAccessibilityAnchorPoint(anchor_point);

chromecast/browser/accessibility/accessibility_manager.h

@@ -60,10 +60,6 @@ class AccessibilityManager : public TripleTapDetectorDelegate {
   // Enable or disable screen reader support, including touch exploration.
   void SetScreenReader(bool enable);
 
-  // TODO(kpschoedel): remove once AccessibilityServiceImpl::SetScreenReader()
-  // changes to call SetScreenReader() here.
-  void EnableTouchExploration(bool enable);
-
   // Update the touch exploration controller so that synthesized
   // touch events are anchored at this point.
   void SetTouchAccessibilityAnchorPoint(const gfx::Point& anchor_point);
@@ -84,13 +80,6 @@ class AccessibilityManager : public TripleTapDetectorDelegate {
   void SetAccessibilitySoundPlayer(
       std::unique_ptr<AccessibilitySoundPlayer> player);
 
-  // Sets the delegate for earcons.
-  // TODO(kpschoedel) remove when caller has changed.
-  void SetAccessibilitySoundDelegate(
-      std::unique_ptr<AccessibilitySoundPlayer> player) {
-    SetAccessibilitySoundPlayer(std::move(player));
-  }
-
  private:
   aura::WindowTreeHost* window_tree_host_;
 

chromecast/browser/accessibility/accessibility_sound_delegate.h

-// Copyright 2018 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.
-
-// TODO(kpschoedel) remove this file when dependencies have changed.
-
-#ifndef CHROMECAST_BROWSER_ACCESSIBILITY_ACCESSIBILITY_SOUND_DELEGATE_H_
-#define CHROMECAST_BROWSER_ACCESSIBILITY_ACCESSIBILITY_SOUND_DELEGATE_H_
-
-#include "chromecast/browser/accessibility/accessibility_sound_player.h"
-
-namespace chromecast {
-namespace shell {
-
-using AccessibilitySoundDelegate = AccessibilitySoundPlayer;
-
-}  // namespace shell
-}  // namespace chromecast
-
-#endif  // CHROMECAST_BROWSER_ACCESSIBILITY_ACCESSIBILITY_SOUND_DELEGATE_H_