Remove base::StringValue

extensions/browser/api/webcam_private/webcam_private_api_chromeos.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 "extensions/browser/api/webcam_private/webcam_private_api.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/media_device_id.h"
@@ skipping 187 matching lines @@
   } else {
     SetError(kPathInUse);
     return false;
   }
 }
 
 void WebcamPrivateOpenSerialWebcamFunction::OnOpenWebcam(
     const std::string& webcam_id,
     bool success) {
   if (success) {
-    SetResult(base::MakeUnique<base::StringValue>(webcam_id));
+    SetResult(base::MakeUnique<base::Value>(webcam_id));
     SendResponse(true);
   } else {
     SetError(kOpenSerialWebcamError);
     SendResponse(false);
   }
 }
 
 WebcamPrivateCloseWebcamFunction::WebcamPrivateCloseWebcamFunction() {
 }
 
@@ skipping 213 matching lines @@
 }
 
 template <>
 void BrowserContextKeyedAPIFactory<WebcamPrivateAPI>
     ::DeclareFactoryDependencies() {
   DependsOn(ExtensionsBrowserClient::Get()->GetExtensionSystemFactory());
   DependsOn(ProcessManagerFactory::GetInstance());
 }
 
 }  // namespace extensions