IPC messages and changes to ResourceLoaderBridge to support resource loading for media

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index 462d853fa4abaf79b32d96a338312a67599f6abf..048a0a6dcc5b7b4a3085f326f81d67f9da23f57f 100755
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -377,6 +377,9 @@ struct ParamTraits<ResourceType::Type> {
      case ResourceType::OBJECT:
        type = L"OBJECT";
        break;
+     case ResourceType::MEDIA:
+       type = L"MEDIA";
+       break;
      default:
        type = L"UNKNOWN";
        break;
@@ -1334,6 +1337,7 @@ struct ParamTraits<ResourceResponseHead> {
     ParamTraits<webkit_glue::ResourceLoaderBridge::ResponseInfo>::Write(m, p);
     WriteParam(m, p.status);
     WriteParam(m, p.filter_policy);
+    WriteParam(m, p.response_data_file);
   }
   static bool Read(const Message* m, void** iter, param_type* r) {
     return
@@ -1341,7 +1345,8 @@ struct ParamTraits<ResourceResponseHead> {
                                                                          iter,
                                                                          r) &&
       ReadParam(m, iter, &r->status) &&
-      ReadParam(m, iter, &r->filter_policy);
+      ReadParam(m, iter, &r->filter_policy) &&
+      ReadParam(m, iter, &r->response_data_file);
   }
   static void Log(const param_type& p, std::wstring* l) {
     // log more?