Introduce WebWorkerPermissionClientProxy to deprecate WorkerAllowMainThreadBridge

public/web/WebWorkerPermissionClientProxy.h

Index: public/web/WebWorkerPermissionClientProxy.h
diff --git a/public/web/WebScriptBindings.h b/public/web/WebWorkerPermissionClientProxy.h
similarity index 67%
copy from public/web/WebScriptBindings.h
copy to public/web/WebWorkerPermissionClientProxy.h
index 12b9d43003da2406336fe284ccc181d7847605fd..c68cd362b5e93ea994c10ff768feeaa812e9257a 100644
--- a/public/web/WebScriptBindings.h
+++ b/public/web/WebWorkerPermissionClientProxy.h
@@ -28,32 +28,37 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebScriptBindings_h
-#define WebScriptBindings_h
-
-#include "../platform/WebCommon.h"
-
-namespace v8 {
-class Isolate;
-class String;
-template <class T> class Handle;
-template <class T> class Local;
-}
+#ifndef WebWorkerPermissionClientProxy_h
+#define WebWorkerPermissionClientProxy_h
 
 namespace WebKit {
 
 class WebString;
 
-class WebScriptBindings {
+// 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:
-    // Efficiently converts a WebString to a v8::String. The caller must have
-    // a HandleScope to guard the result's lifetime.
-    BLINK_EXPORT static v8::Local<v8::String> toV8String(const WebString&, v8::Isolate*);
+    virtual ~WebWorkerPermissionClientProxy() { }
+
+    virtual bool allowDatabase(const WebString& name, const WebString& displayName, unsigned long estimatedSize)
+    {
+        return true;
+    }
+
+    virtual bool allowFileSystem()
+    {
+        return true;
+    }
 
-    // You can use v8::Value::toString() to get a v8::String, but remember to wrap that in a v8::TryCatch.
-    BLINK_EXPORT static WebString toWebString(v8::Handle<v8::String>);
+    virtual bool allowIndexedDB(const WebString& name)
+    {
+        return true;
+    }
 };
 
 } // namespace WebKit
 
-#endif
+#endif // WebWorkerPermissionClientProxy_h