Revert of Rename WorkerPermissionClient and friends to WorkerContentSettingsClient.

public/web/WebWorkerPermissionClientProxy.h

Index: public/web/WebWorkerPermissionClientProxy.h
diff --git a/public/web/WebWorkerPermissionClientProxy.h b/public/web/WebWorkerPermissionClientProxy.h
index 3d7a29e32311117bebd85903c78347f6c6f1cfcc..95b2c4d0b297639c89120387bd570a1a28384f85 100644
--- a/public/web/WebWorkerPermissionClientProxy.h
+++ b/public/web/WebWorkerPermissionClientProxy.h
@@ -31,11 +31,36 @@
 #ifndef WebWorkerPermissionClientProxy_h
 #define WebWorkerPermissionClientProxy_h
 
-#include "public/web/WebWorkerContentSettingsClientProxy.h"
+#include "public/platform/WebPermissionCallbacks.h"
 
 namespace blink {
 
-class WebWorkerPermissionClientProxy : public WebWorkerContentSettingsClientProxy {
+class WebPermissionCallbacks;
+class WebString;
+
+// Proxy interface to talk to the document's PermissionClient implementation.
+// This proxy is created by the embedder and is passed to the worker's
+// WorkerGlobalScope in blink. Each allow method is called on the worker thread
+// and may destructed on the worker thread.
+class WebWorkerPermissionClientProxy {
+public:
+    virtual ~WebWorkerPermissionClientProxy() { }
+
+    // Deprecated: This function should be removed.
+    virtual bool allowDatabase(const WebString& name, const WebString& displayName, unsigned long estimatedSize)
+    {
+        return true;
+    }
+
+    virtual bool requestFileSystemAccessSync()
+    {
+        return true;
+    }
+
+    virtual bool allowIndexedDB(const WebString& name)
+    {
+        return true;
+    }
 };
 
 } // namespace blink