Chromium-side plumbing for ServiceWorker -> Document postMessage (2/3)

content/renderer/service_worker/embedded_worker_context_client.cc

Index: content/renderer/service_worker/embedded_worker_context_client.cc
diff --git a/content/renderer/service_worker/embedded_worker_context_client.cc b/content/renderer/service_worker/embedded_worker_context_client.cc
index e2f64994a8f7f18527fbee2460f43ecce552b10c..3c79c90f0ed3728aae407ef4f41ce5a74fed9f2a 100644
--- a/content/renderer/service_worker/embedded_worker_context_client.cc
+++ b/content/renderer/service_worker/embedded_worker_context_client.cc
@@ -11,6 +11,7 @@
 #include "content/child/request_extra_data.h"
 #include "content/child/service_worker/service_worker_network_provider.h"
 #include "content/child/thread_safe_sender.h"
+#include "content/child/webmessageportchannel_impl.h"
 #include "content/child/worker_task_runner.h"
 #include "content/child/worker_thread_task_runner.h"
 #include "content/common/devtools_messages.h"
@@ -282,6 +283,16 @@ EmbeddedWorkerContextClient::createServiceWorkerNetworkProvider(
   return new WebServiceWorkerNetworkProviderImpl();
 }
 
+void EmbeddedWorkerContextClient::postMessageToClient(
+    int client_id,
+    const blink::WebString& message,
+    blink::WebMessagePortChannelArray* channels) {
+  DCHECK(script_context_);
+  script_context_->PostMessageToDocument(
+      client_id, message,
+      WebMessagePortChannelImpl::ExtractMessagePortIDs(channels));
+}
+
 void EmbeddedWorkerContextClient::OnMessageToWorker(
     int thread_id,
     int embedded_worker_id,