Create a RegisterViewAssociate method in ViewManager

services/ui/view_manager/tests/view_associate_table_test.cc

Index: services/ui/view_manager/tests/view_associate_table_test.cc
diff --git a/services/ui/view_manager/tests/view_associate_table_test.cc b/services/ui/view_manager/tests/view_associate_table_test.cc
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+++ b/services/ui/view_manager/tests/view_associate_table_test.cc
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/services/ui/views/interfaces/view_manager.mojom.h"
+#include "mojo/services/ui/views/interfaces/views.mojom.h"
+#include "mojo/ui/associates/mock_view_inspector.h"
+#include "services/ui/view_manager/tests/mock_view_associate.h"
+#include "services/ui/view_manager/tests/view_manager_test_base.h"
+#include "services/ui/view_manager/view_associate_table.h"
+
+namespace view_manager {
+namespace test {
+
+class ViewAssociateTableTest : public ViewManagerTestBase {
+ public:
+  ViewAssociateTableTest() {}
+  ~ViewAssociateTableTest() override {}
+
+  void SetUp() override { ViewManagerTestBase::SetUp(); }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ViewAssociateTableTest);
+};
+
+TEST_F(ViewAssociateTableTest, RegisterViewAssociateThenCloseIt) {
+  // Create a mock view registry
+  mojo::ui::MockViewInspector mock_view_inspector;
+
+  // Create a view associate table
+  ViewAssociateTable view_associate_table;
+
+  {
+    // Create and bind a MockViewAssociate
+    mojo::ui::ViewAssociatePtr associate;
+    MockViewAssociate mock_view_associate;
+    mojo::Binding<mojo::ui::ViewAssociate> view_associate_binding(
+        &mock_view_associate, mojo::GetProxy(&associate));
+
+    // call ViewAssociateTable::RegisterViewAssociate
+    EXPECT_EQ((size_t)0, view_associate_table.associate_count());
+
+    mojo::ui::ViewAssociateOwnerPtr view_associate_owner;
+    view_associate_table.RegisterViewAssociate(
+        &mock_view_inspector, associate.Pass(),
+        mojo::GetProxy(&view_associate_owner), "test_view_associate");
+    KICK_MESSAGE_LOOP_WHILE(view_associate_table.associate_count() != 1);
+    EXPECT_EQ((size_t)1, view_associate_table.associate_count());
+  }
+
+  // ViewAssociate has been destroyed (since it's out of scope now)
+  // Make sure it's been removed
+  KICK_MESSAGE_LOOP_WHILE(view_associate_table.associate_count() != 0);
+  EXPECT_EQ((size_t)0, view_associate_table.associate_count());
+}
+
+}  // namespace test
+}  // namespace view_manager