Initial child-process side plumbing for starting an embedded ServiceWorker context

content/common/service_worker_messages.h

Index: content/common/service_worker_messages.h
diff --git a/content/common/service_worker_messages.h b/content/common/service_worker_messages.h
index 92c6e908994ac442deec2399ce256e09ba4b638d..dc5ab2082567e201d1091d2765d29197e6ed079e 100644
--- a/content/common/service_worker_messages.h
+++ b/content/common/service_worker_messages.h
@@ -8,6 +8,8 @@
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_param_traits.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerError.h"
+#include "third_party/WebKit/public/web/WebContentSecurityPolicy.h"
+#include "third_party/WebKit/public/web/WebEmbeddedWorkerStartData.h"
 #include "url/gurl.h"
 
 #undef IPC_MESSAGE_EXPORT
@@ -50,3 +52,26 @@ IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_ServiceWorkerRegistrationError,
                      int32 /* request_id */,
                      blink::WebServiceWorkerError::ErrorType /* code */,
                      string16 /* message */)
+
+// For EmbeddedWorker related messages -------------------------------------
+
+IPC_ENUM_TRAITS(blink::WebEmbeddedWorkerStartMode)
+
+IPC_STRUCT_BEGIN(ServiceWorkerMsg_StartWorker_Params)
+  IPC_STRUCT_MEMBER(int32, embedded_worker_id)
+  IPC_STRUCT_MEMBER(int64, service_worker_version_id)
+  IPC_STRUCT_MEMBER(GURL, script_url)
+  IPC_STRUCT_MEMBER(string16, script_source)

[michaeln, 2013/11/13 00:31:37]

Like we've talked talked about, I think we want the embedded workercontext to be
responsible for loading it's main resource thru it's resource loaded. This
script_source param should not be needed.

[kinuko, 2013/11/18 14:09:48]

Done.

+  IPC_STRUCT_MEMBER(string16, content_security_policy)
+  IPC_STRUCT_MEMBER(blink::WebContentSecurityPolicyType,
+                    content_security_policy_type)
+  IPC_STRUCT_MEMBER(blink::WebEmbeddedWorkerStartMode, start_mode)

[michaeln, 2013/11/13 00:31:37]

what is "start_mode"?

[kinuko, 2013/11/18 14:09:48]

For devtools support. We can remove this for now (and I did so)

+IPC_STRUCT_END()
+
+// Browser -> Renderer message to create a new embedded worker context.
+IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_StartWorker,
+                     ServiceWorkerMsg_StartWorker_Params)
+
+// Browser -> Renderer message to terminate the embedded worker.
+IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_TerminateWorker,
+                     int32 /* embedded_worker_id */)