CodeStubs contain their corresponding Isolate* now. (part 2)

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 869ebc1a4c840f464c9efc39788ec7243b81bbeb..250b27de1a3d07e8f8ffe9bff4568768cd8c355e 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -1037,13 +1037,13 @@ void LoadStubCompiler::GenerateLoadField(Register reg,
                        field.is_inobject(holder),
                        field.translate(holder),
                        representation);
-    GenerateTailCall(masm(), stub.GetCode(isolate()));
+    GenerateTailCall(masm(), stub.GetCode());
   } else {
     KeyedLoadFieldStub stub(isolate(),
                             field.is_inobject(holder),
                             field.translate(holder),
                             representation);
-    GenerateTailCall(masm(), stub.GetCode(isolate()));
+    GenerateTailCall(masm(), stub.GetCode());
   }
 }