Melt chocolate chips in double broiler over hot water; mix until smooth. Cool to room temperature.
Beat cream cheese until fluffy; beat in chocolate and vanilla until smooth and blended. Pour into pie crust; smooth top. Chill until firm.
Meanwhile, heat strawberries in small saucepan. Mix lemon juice and cornstarch; add to strawberries. Cook and stir over medium heat until clear and thickened, about 3 to 4 minutes. Cool to room temperature.
Pour over pie; spread to cover chocolate filling. Chill. Garnish with the whipped cream.
