Introduce WebWorkerPermissionClientProxy to deprecate WorkerAllowMainThreadBridge

Source/web/IDBFactoryBackendProxy.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 26 matching lines @@
 #include "WebFrameImpl.h"
 #include "WebIDBCallbacksImpl.h"
 #include "WebIDBDatabaseCallbacksImpl.h"
 #include "WebKit.h"
 #include "WebPermissionClient.h"
 #include "WebSecurityOrigin.h"
 #include "WebViewImpl.h"
 #include "WebWorkerBase.h"
 #include "WebWorkerClientImpl.h"
 #include "WorkerAllowMainThreadBridgeBase.h"
+#include "WorkerPermissionClient.h"
 #include "bindings/v8/WorkerScriptController.h"
 #include "core/dom/CrossThreadTask.h"
 #include "core/dom/DOMError.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerThread.h"
 #include "modules/indexeddb/IDBDatabaseCallbacks.h"
 #include "weborigin/SecurityOrigin.h"
@@ skipping 57 matching lines @@
     bool allowed;
     ASSERT_WITH_SECURITY_IMPLICATION(context->isDocument() || context->isWorkerGlobalScope());
     if (context->isDocument()) {
         Document* document = toDocument(context);
         WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame());
         WebViewImpl* webView = webFrame->viewImpl();
         // FIXME: webView->permissionClient() returns 0 in test_shell and content_shell http://crbug.com/137269
         allowed = !webView->permissionClient() || webView->permissionClient()->allowIndexedDB(webFrame, name, origin);
     } else {
         WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
+        WorkerPermissionClient* permissionClient = WorkerPermissionClient::from(workerGlobalScope);
+        if (permissionClient->proxy()) {
+            allowed = permissionClient->allowIndexedDB(name);
+            if (!allowed)
+                callbacks->onError(WebIDBDatabaseError(UnknownError, "The user denied permission to access the database."));
+
+            return allowed;
+        }
+
+        // FIXME: Deprecate this bridge code when PermissionClientProxy is
+        // implemented by the embedder.
         WebWorkerBase* webWorkerBase = static_cast<WebWorkerBase*>(workerGlobalScope->thread()->workerLoaderProxy().toWebWorkerBase());
         WorkerRunLoop& runLoop = workerGlobalScope->thread()->runLoop();
 
         String mode = allowIndexedDBMode;
         mode.append(String::number(runLoop.createUniqueId()));
         RefPtr<AllowIndexedDBMainThreadBridge> bridge = AllowIndexedDBMainThreadBridge::create(workerGlobalScope, webWorkerBase, mode, name);
 
         // Either the bridge returns, or the queue gets terminated.
         if (runLoop.runInMode(workerGlobalScope, mode) == MessageQueueTerminated) {
             bridge->cancel();
@@ skipping 33 matching lines @@
 {
     RefPtr<IDBCallbacks> callbacks(prpCallbacks);
     WebSecurityOrigin origin(context->securityOrigin());
     if (!allowIndexedDB(context, name, origin, callbacks))
         return;
 
     m_webIDBFactory->deleteDatabase(name, new WebIDBCallbacksImpl(callbacks), databaseIdentifier);
 }
 
 } // namespace WebKit