Introduce ResolutionScope::definitelyDoesNotContainName

Also add some obvious implementations

This method might be used in resolution to filter out
inapplicable scopes

compiler/resolution/src/org/jetbrains/kotlin/resolve/scopes/LexicalScopeStorage.kt

@@ -124,4 +124,7 @@ abstract class LexicalScopeStorage(
         } while (rest != null)
         return result
     }
+
+    override fun definitelyDoesNotContainName(name: Name) =
+            functionsByName?.get(name) == null && variablesAndClassifiersByName?.get(name) == null
 }

compiler/resolution/src/org/jetbrains/kotlin/resolve/scopes/Scopes.kt

@@ -55,6 +55,8 @@ interface LexicalScope : HierarchicalScope {
         override val kind: LexicalScopeKind
             get() = LexicalScopeKind.EMPTY
 
+        override fun definitelyDoesNotContainName(name: Name) = true
+
         override fun printStructure(p: Printer) {
             p.println("Base lexical scope with owner = $ownerDescriptor and parent = $parent")
         }
@@ -123,6 +125,8 @@ interface ImportingScope : HierarchicalScope {
         override fun printStructure(p: Printer) {
             p.println("ImportingScope.Empty")
         }
+
+        override fun definitelyDoesNotContainName(name: Name) = true
     }
 }