Create a RegisterViewAssociate method in ViewManager

mojo/dart/packages/mojo_services/lib/mojo/ui/view_manager.mojom.dart

Index: mojo/dart/packages/mojo_services/lib/mojo/ui/view_manager.mojom.dart
diff --git a/mojo/dart/packages/mojo_services/lib/mojo/ui/view_manager.mojom.dart b/mojo/dart/packages/mojo_services/lib/mojo/ui/view_manager.mojom.dart
index f97e1e381130e55e5ac9a628e159321eec163b22..13d7c6415ebb3a0de251ee44ca9feb5b19b0159b 100644
--- a/mojo/dart/packages/mojo_services/lib/mojo/ui/view_manager.mojom.dart
+++ b/mojo/dart/packages/mojo_services/lib/mojo/ui/view_manager.mojom.dart
@@ -7,6 +7,7 @@ import 'dart:async';
 import 'package:mojo/bindings.dart' as bindings;
 import 'package:mojo/core.dart' as core;
 import 'package:mojo/mojo/bindings/types/service_describer.mojom.dart' as service_describer;
+import 'package:mojo_services/mojo/ui/view_associates.mojom.dart' as view_associates_mojom;
 import 'package:mojo_services/mojo/ui/view_token.mojom.dart' as view_token_mojom;
 import 'package:mojo_services/mojo/ui/view_trees.mojom.dart' as view_trees_mojom;
 import 'package:mojo_services/mojo/ui/views.mojom.dart' as views_mojom;
@@ -220,8 +221,80 @@ class _ViewManagerCreateViewTreeParams extends bindings.Struct {
   }
 }
 
+
+class _ViewManagerRegisterViewAssociateParams extends bindings.Struct {
+  static const List<bindings.StructDataHeader> kVersions = const [
+    const bindings.StructDataHeader(16, 0)
+  ];
+  Object viewAssociate = null;
+
+  _ViewManagerRegisterViewAssociateParams() : super(kVersions.last.size);
+
+  static _ViewManagerRegisterViewAssociateParams deserialize(bindings.Message message) {
+    var decoder = new bindings.Decoder(message);
+    var result = decode(decoder);
+    if (decoder.excessHandles != null) {
+      decoder.excessHandles.forEach((h) => h.close());
+    }
+    return result;
+  }
+
+  static _ViewManagerRegisterViewAssociateParams decode(bindings.Decoder decoder0) {
+    if (decoder0 == null) {
+      return null;
+    }
+    _ViewManagerRegisterViewAssociateParams result = new _ViewManagerRegisterViewAssociateParams();
+
+    var mainDataHeader = decoder0.decodeStructDataHeader();
+    if (mainDataHeader.version <= kVersions.last.version) {
+      // Scan in reverse order to optimize for more recent versions.
+      for (int i = kVersions.length - 1; i >= 0; --i) {
+        if (mainDataHeader.version >= kVersions[i].version) {
+          if (mainDataHeader.size == kVersions[i].size) {
+            // Found a match.
+            break;
+          }
+          throw new bindings.MojoCodecError(
+              'Header size doesn\'t correspond to known version size.');
+        }
+      }
+    } else if (mainDataHeader.size < kVersions.last.size) {
+      throw new bindings.MojoCodecError(
+        'Message newer than the last known version cannot be shorter than '
+        'required by the last known version.');
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.viewAssociate = decoder0.decodeServiceInterface(8, false, view_associates_mojom.ViewAssociateProxy.newFromEndpoint);
+    }
+    return result;
+  }
+
+  void encode(bindings.Encoder encoder) {
+    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
+    try {
+      encoder0.encodeInterface(viewAssociate, 8, false);
+    } on bindings.MojoCodecError catch(e) {
+      e.message = "Error encountered while encoding field "
+          "viewAssociate of struct _ViewManagerRegisterViewAssociateParams: $e";
+      rethrow;
+    }
+  }
+
+  String toString() {
+    return "_ViewManagerRegisterViewAssociateParams("
+           "viewAssociate: $viewAssociate" ")";
+  }
+
+  Map toJson() {
+    throw new bindings.MojoCodecError(
+        'Object containing handles cannot be encoded to JSON.');
+  }
+}
+
 const int _viewManagerMethodCreateViewName = 0;
 const int _viewManagerMethodCreateViewTreeName = 1;
+const int _viewManagerMethodRegisterViewAssociateName = 2;
 
 class _ViewManagerServiceDescription implements service_describer.ServiceDescription {
   dynamic getTopLevelInterface([Function responseFactory]) =>
@@ -238,6 +311,7 @@ abstract class ViewManager {
   static const String serviceName = "mojo::ui::ViewManager";
   void createView(Object view, Object viewOwner, Object viewListener, String label);
   void createViewTree(Object viewTree, Object viewTreeListener, String label);
+  void registerViewAssociate(Object viewAssociate);
 }
 
 
@@ -302,6 +376,15 @@ class _ViewManagerProxyCalls implements ViewManager {
       params.label = label;
       _proxyImpl.sendMessage(params, _viewManagerMethodCreateViewTreeName);
     }
+    void registerViewAssociate(Object viewAssociate) {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new _ViewManagerRegisterViewAssociateParams();
+      params.viewAssociate = viewAssociate;
+      _proxyImpl.sendMessage(params, _viewManagerMethodRegisterViewAssociateName);
+    }
 }
 
 
@@ -409,6 +492,11 @@ class ViewManagerStub extends bindings.Stub {
             message.payload);
         _impl.createViewTree(params.viewTree, params.viewTreeListener, params.label);
         break;
+      case _viewManagerMethodRegisterViewAssociateName:
+        var params = _ViewManagerRegisterViewAssociateParams.deserialize(
+            message.payload);
+        _impl.registerViewAssociate(params.viewAssociate);
+        break;
       default:
         throw new bindings.MojoCodecError("Unexpected message name");
         break;