Remove many instances of CreateBooleanValue.

chrome/browser/accessibility/accessibility_extension_api.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 "chrome/browser/accessibility/accessibility_extension_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/accessibility/accessibility_extension_api_constants.h"
@@ skipping 176 matching lines @@
   DispatchEvent(info->profile(),
                 accessibility_private::OnMenuClosed::kEventName,
                 args.Pass());
 }
 
 void ExtensionAccessibilityEventRouter::OnChromeVoxLoadStateChanged(
     Profile* profile,
     bool loading,
     bool make_announcements) {
   scoped_ptr<base::ListValue> event_args(new base::ListValue());
-  event_args->Append(base::Value::CreateBooleanValue(loading));
-  event_args->Append(base::Value::CreateBooleanValue(make_announcements));
+  event_args->AppendBoolean(loading);
+  event_args->AppendBoolean(make_announcements);
   ExtensionAccessibilityEventRouter::DispatchEventToChromeVox(
       profile,
       accessibility_private::OnChromeVoxLoadStateChanged::kEventName,
       event_args.Pass());
 }
 
 // Static.
 void ExtensionAccessibilityEventRouter::DispatchEventToChromeVox(
     Profile* profile,
     const char* event_name,
@@ skipping 92 matching lines @@
       const base::string16 message_text =
           confirm_infobar_delegate->GetMessageText();
       alert_value->SetString(keys::kMessageKey, message_text);
       alerts_value->Append(alert_value);
     }
   }
 
   SetResult(alerts_value);
   return true;
 }