Move some accessibility methods, enums and interfaces into the content/public API.

content/browser/accessibility/browser_accessibility_state_impl.cc

 // Copyright (c) 2012 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/browser/accessibility/browser_accessibility_state_impl.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/timer.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 108 matching lines @@
 
 AccessibilityMode BrowserAccessibilityStateImpl::GetAccessibilityMode() {
   return accessibility_mode_;
 }
 
 void BrowserAccessibilityStateImpl::SetAccessibilityMode(
     AccessibilityMode mode) {
   accessibility_mode_ = mode;
 }
 
+bool BrowserAccessibilityStateImpl::GetAccessibilityEnabled() {
+  return accessibility_mode_ == AccessibilityModeComplete;
+}
+
+void BrowserAccessibilityStateImpl::SetAccessibilityEnabled(bool enabled) {
+  if (enabled)
+    SetAccessibilityMode(AccessibilityModeComplete);
+  else
+    SetAccessibilityMode(AccessibilityModeOff);
+}
+
 }  // namespace content