Allow to use "static" part of class in own constructors by short name, including in primary constructor

idea/idea-analysis/src/org/jetbrains/kotlin/idea/project/ResolveElementCache.kt

@@ -404,9 +404,9 @@ public class ResolveElementCache(
         bodyResolver.resolveDelegationSpecifierList(DataFlowInfo.EMPTY,
                                                     classOrObject,
                                                     descriptor,
-                                                    descriptor.getUnsubstitutedPrimaryConstructor(),
-                                                    descriptor.getScopeForClassHeaderResolution(),
-                                                    descriptor.getScopeForMemberDeclarationResolution())
+                                                    descriptor.unsubstitutedPrimaryConstructor,
+                                                    descriptor.scopeForConstructorHeaderResolution,
+                                                    descriptor.scopeForMemberDeclarationResolution)
 
         return trace
     }

idea/idea-completion/testData/handlers/basic/override/ValInConstructorParameter4.kt.after

@@ -4,7 +4,7 @@ interface I {
     val p: CCCC.Nested
 }
 
-class CCCC(override val p: CCCC.Nested<caret>val x: Int) : I {
+class CCCC(override val p: Nested<caret>val x: Int) : I {
     interface Nested
 }
 

idea/testData/editor/optimizeImports/NestedClassReferenceOutsideClassBody.kt

@@ -2,6 +2,8 @@ package ppp
 
 import ppp.Base.Nested
 
-class Base(p: Nested) {
+fun foo(p: Nested) {}
+
+class Base {
     class Nested
 }

idea/testData/editor/optimizeImports/NestedClassReferenceOutsideClassBody.kt.after

@@ -2,6 +2,8 @@ package ppp
 
 import ppp.Base.Nested
 
-class Base(p: Nested) {
+fun foo(p: Nested) {}
+
+class Base {
     class Nested
 }