Remove ElementEnvironment.getCallStructure

pkg/compiler/lib/src/common_elements.dart

Index: pkg/compiler/lib/src/common_elements.dart
diff --git a/pkg/compiler/lib/src/common_elements.dart b/pkg/compiler/lib/src/common_elements.dart
index 26c72ef6b17313c2d1dd9532830e438c18263c92..5a74caf27d6215f903612eccdc2f54ab8183fb95 100644
--- a/pkg/compiler/lib/src/common_elements.dart
+++ b/pkg/compiler/lib/src/common_elements.dart
@@ -1223,6 +1223,7 @@ abstract class ElementEnvironment {
   ClassEntity getSuperClass(ClassEntity cls,
       {bool skipUnnamedMixinApplications: false});
 
+  /// Calls [f] for each supertype of [cls].
   void forEachSupertype(ClassEntity cls, void f(InterfaceType supertype));
 
   /// Calls [f] for each class that is mixed into [cls] or one of its
@@ -1265,10 +1266,6 @@ abstract class ElementEnvironment {
   // TODO(johnniwinther): Remove this when the resolver is removed.
   DartType getUnaliasedType(DartType type);
 
-  /// Returns the [CallStructure] corresponding to calling [entity] with all
-  /// arguments, both required and optional.
-  CallStructure getCallStructure(FunctionEntity entity);
-
   /// Returns `true` if [member] a the synthetic getter `loadLibrary` injected
   /// on deferred libraries.
   bool isDeferredLoadLibraryGetter(MemberEntity member);