Enable audio/video tag in content_shell

content/shell/shell_resource_context.cc

Index: content/shell/shell_resource_context.cc
diff --git a/content/shell/shell_resource_context.cc b/content/shell/shell_resource_context.cc
index fa725cf89b5463b8c69e65e1b9b83cb723654ec9..d3579e42fdda4e94cffb5c5a909f17b6447c2d8c 100644
--- a/content/shell/shell_resource_context.cc
+++ b/content/shell/shell_resource_context.cc
@@ -11,9 +11,11 @@ namespace content {
 
 ShellResourceContext::ShellResourceContext(
     ShellURLRequestContextGetter* getter,
-    ChromeBlobStorageContext* blob_storage_context)
+    ChromeBlobStorageContext* blob_storage_context,
+    AudioManager* audio_manager)
     : getter_(getter),
-      blob_storage_context_(blob_storage_context) {
+      blob_storage_context_(blob_storage_context),
+      audio_manager_(audio_manager) {
 }
 
 ShellResourceContext::~ShellResourceContext() {
@@ -27,6 +29,7 @@ void ShellResourceContext::InitializeInternal() {
   set_request_context(getter_->GetURLRequestContext());
   set_host_resolver(getter_->host_resolver());
   set_blob_storage_context(blob_storage_context_);
+  set_audio_manager(audio_manager_);
 }
 
 }  // namespace content