Convert string16 to base::string16 in content.

content/renderer/media/webcontentdecryptionmodule_impl.cc

 // Copyright 2013 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/renderer/media/webcontentdecryptionmodule_impl.h"
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 131 matching lines @@
 
 WebContentDecryptionModuleSessionImpl* ReferenceIdAdapter::GetSession(
     uint32 reference_id) {
   DCHECK(sessions_.find(reference_id) != sessions_.end());
   return sessions_[reference_id];
 }
 
 //------------------------------------------------------------------------------
 
 WebContentDecryptionModuleImpl*
-WebContentDecryptionModuleImpl::Create(const string16& key_system) {
+WebContentDecryptionModuleImpl::Create(const base::string16& key_system) {
   // TODO(ddorwin): Guard against this in supported types check and remove this.
   // Chromium only supports ASCII key systems.
   if (!IsStringASCII(key_system)) {
     NOTREACHED();
     return NULL;
   }
 
   // ReferenceIdAdapter creates the MediaKeys so it can provide its callbacks to
   // during creation of the MediaKeys.
   scoped_ptr<media::MediaKeys> media_keys;
@@ skipping 28 matching lines @@
 
   adapter_->AddSession(session->reference_id(), session);
   return session;
 }
 
 void WebContentDecryptionModuleImpl::OnSessionClosed(uint32 reference_id) {
   adapter_->RemoveSession(reference_id);
 }
 
 }  // namespace content