media: Use new wrapper types for media mojo interfaces

chrome/browser/chromeos/attestation/platform_verification_impl.cc

 // Copyright 2015 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/chromeos/attestation/platform_verification_impl.h"
 
 #include <utility>
 
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
@@ skipping 19 matching lines @@
 PlatformVerificationImpl::PlatformVerificationImpl(
     content::RenderFrameHost* render_frame_host)
     : render_frame_host_(render_frame_host), weak_factory_(this) {
   DCHECK(render_frame_host);
 }
 
 PlatformVerificationImpl::~PlatformVerificationImpl() {
 }
 
 void PlatformVerificationImpl::ChallengePlatform(
-    const mojo::String& service_id,
-    const mojo::String& challenge,
+    const std::string& service_id,
+    const std::string& challenge,
     const ChallengePlatformCallback& callback) {
   DVLOG(2) << __FUNCTION__;
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   if (!platform_verification_flow_.get())
     platform_verification_flow_ = new PlatformVerificationFlow();
 
   platform_verification_flow_->ChallengePlatformKey(
       content::WebContents::FromRenderFrameHost(render_frame_host_), service_id,
       challenge, base::Bind(&PlatformVerificationImpl::OnPlatformChallenged,
@@ skipping 19 matching lines @@
   }
 
   DCHECK(!signed_data.empty());
   DCHECK(!signature.empty());
   DCHECK(!platform_key_certificate.empty());
   callback.Run(true, signed_data, signature, platform_key_certificate);
 }
 
 }  // namespace attestation
 }  // namespace chromeos