Port type arguments to new RPC protocol

runtime/vm/service/service.idl

Index: runtime/vm/service/service.idl
diff --git a/runtime/vm/service/service.idl b/runtime/vm/service/service.idl
index 91aa7f373ab25c6a17efbae3ad208560dd5e6640..80d43c590dd02f6583b354157132b292a7d40ef7 100644
--- a/runtime/vm/service/service.idl
+++ b/runtime/vm/service/service.idl
@@ -75,6 +75,12 @@ interface Service {
                        limit int) InboundReferences
 
   getClassList(isolateId string) ClassList
+
+  // When <code>onlyWithInstantiations</code> is true, the list only includes
+  // type arguments with instantiations. Otherwise, all type arguments are
+  // returned.
+  getTypeArgumentsList(isolateId string,
+                       onlyWithInstantiations bool) TypeArgumentsList
 }
 
 
@@ -139,6 +145,11 @@ struct ClassRef extends ObjectRef {
 }
 
 
+struct TypeArgumentsRef extends ObjectRef {
+  placeholder int
+}
+
+
 // A <code>FunctionRef</code> encodes a reference to a <code>Function</code> object.
 struct FunctionRef extends ObjectRef {
   placeholder int
@@ -168,6 +179,11 @@ struct Class extends Object {
 }
 
 
+struct TypeArguments extends Object {
+  placeholder int
+}
+
+
 // A <code>Location</code> encodes a location withing a dart script.
 //
 // TODO(turnidge): Should this really be broken out as its own type?
@@ -289,6 +305,13 @@ struct ClassList {
 }
 
 
+struct TypeArgumentsList {
+  tableSize int
+  tableUsed int
+  typeArguments []TypeArgumentsRef
+}
+
+
 // A <code>GCOption</code> is used to indicate which form of garbage
 // collection is requested.
 enum GCOption {