[FIR] Add FirVisibilityChecker session component

This is needed because we have different visibility rules for different
  platform visibilities (e.g. protected and package private on JVM), so
  we need ability to configure visibility checks for different platforms

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/FirJavaModuleBasedSession.kt

@@ -39,6 +39,7 @@ class FirJavaModuleBasedSession private constructor(
                 registerResolveComponents()
                 registerCheckersComponent()
                 registerJvmCallConflictResolverFactory()
+                registerJavaVisibilityChecker()
 
                 val kotlinScopeProvider = KotlinScopeProvider(::wrapScopeWithJvmMapped)
 

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/FirJavaVisibilityChecker.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.java
+
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.FirVisibilityChecker
+import org.jetbrains.kotlin.fir.JavaVisibilities
+import org.jetbrains.kotlin.fir.Visibility
+import org.jetbrains.kotlin.fir.declarations.FirDeclaration
+import org.jetbrains.kotlin.fir.declarations.FirFile
+import org.jetbrains.kotlin.fir.resolve.calls.Candidate
+import org.jetbrains.kotlin.fir.symbols.AbstractFirBasedSymbol
+import org.jetbrains.kotlin.name.ClassId
+
+object FirJavaVisibilityChecker : FirVisibilityChecker() {
+    override fun platformVisibilityCheck(
+        declarationVisibility: Visibility,
+        symbol: AbstractFirBasedSymbol<*>,
+        useSiteFile: FirFile,
+        ownerId: ClassId?,
+        containingDeclarations: List<FirDeclaration>,
+        candidate: Candidate,
+        session: FirSession
+    ): Boolean {
+        return when (declarationVisibility) {
+            JavaVisibilities.ProtectedAndPackage, JavaVisibilities.ProtectedStaticVisibility -> {
+                if (symbol.packageFqName() == useSiteFile.packageFqName) {
+                    true
+                } else {
+                    ownerId != null && canSeeProtectedMemberOf(containingDeclarations, candidate.dispatchReceiverValue, ownerId, session)
+                }
+            }
+
+            JavaVisibilities.PackageVisibility -> {
+                symbol.packageFqName() == useSiteFile.packageFqName
+            }
+
+            else -> true
+        }
+    }
+}
+
+fun FirSession.registerJavaVisibilityChecker() {
+    register(FirVisibilityChecker::class, FirJavaVisibilityChecker)
+}