Heat 1 tablespoon oil in a large skillet over medium high heat. Saute mushrooms until golden; remove from skillet with a slotted spoon and set aside.
Add another 2 tablespoons oil to skillet. Saute onion, garlic and shrimp until opaque. Remove from skillet and add to mushrooms.
In a shallow dish or bowl mix 2 tablespoons flour with 3/4 teaspoon salt. Dredge chicken in flour to coat. Add 1 tablespoon oil to skillet and saute chicken in oil for 3 to 5 minutes or until no longer pink. Add chicken to mushroom/shrimp mixture.
Heat 1 tablespoon oil in skillet and stir in 1 tablespoon flour. Cook about 30 seconds, stirring constantly, until brown. Stir in wine, 1/2 teaspoon salt and water. Boil for 1 minute.
Reduce heat to medium low and return shrimp and chicken mixture to skillet. Simmer for about 10 minutes, season with pepper and serve.
