[DONT COMMIT] WIP: WorkerClientsInitializer

third_party/WebKit/Source/modules/exported/WebEmbeddedWorkerImpl.h

Index: third_party/WebKit/Source/modules/exported/WebEmbeddedWorkerImpl.h
diff --git a/third_party/WebKit/Source/modules/exported/WebEmbeddedWorkerImpl.h b/third_party/WebKit/Source/modules/exported/WebEmbeddedWorkerImpl.h
index ef978c7cf37b2ddcafac497c7a03b0ad7e0b5ff5..782b87afae8df778c30affec7fd388083f65333a 100644
--- a/third_party/WebKit/Source/modules/exported/WebEmbeddedWorkerImpl.h
+++ b/third_party/WebKit/Source/modules/exported/WebEmbeddedWorkerImpl.h
@@ -32,6 +32,8 @@
 #define WebEmbeddedWorkerImpl_h
 
 #include <memory>
+#include "core/workers/WorkerClients.h"
+#include "modules/ModulesExport.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebContentSecurityPolicy.h"
@@ -50,9 +52,10 @@ class WorkerInspectorProxy;
 class WorkerScriptLoader;
 class WorkerThread;
 
-class WebEmbeddedWorkerImpl final : public WebEmbeddedWorker,
-                                    public WebFrameClient,
-                                    public WebDevToolsAgentClient {
+class MODULES_EXPORT WebEmbeddedWorkerImpl final
+    : public WebEmbeddedWorker,
+      public WebFrameClient,
+      NON_EXPORTED_BASE(public WebDevToolsAgentClient) {
   WTF_MAKE_NONCOPYABLE(WebEmbeddedWorkerImpl);
 
  public:
@@ -139,6 +142,8 @@ class WebEmbeddedWorkerImpl final : public WebEmbeddedWorker,
   WaitingForDebuggerState waiting_for_debugger_state_;
 };
 
+extern template class WorkerClientsInitializer<WebEmbeddedWorkerImpl>;
+
 }  // namespace blink
 
 #endif  // WebEmbeddedWorkerImpl_h