Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/bubble/bubble_manager_unittest.cc

+// Copyright 2015 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 "components/bubble/bubble_manager.h"
+
+#include "components/bubble/bubble_builder.h"
+#include "components/bubble/bubble_delegate.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+class DelegateMock : public BubbleDelegate {
+ public:
+  MOCK_METHOD0(OnShow, void());
+  MOCK_METHOD0(OnHide, void());
+  MOCK_METHOD0(OnUpdatePosition, void());
+  MOCK_METHOD1(BuildBubble, void(BubbleBuilder*));
+};
+
+class BubbleManagerUnittest : public testing::Test {};
+
+// Simple test to show and hide a bubble.
+TEST_F(BubbleManagerUnittest, ShowAndHideBubble) {
+  BubbleManager manager;
+
+  DelegateMock delegate;
+  EXPECT_CALL(delegate, OnShow()).Times(1);
+  EXPECT_CALL(delegate, OnHide()).Times(1);
+
+  manager.ShowBubble(&delegate);
+  manager.HideBubble(&delegate);
+}
+
+// Simple test to show and hide more than one bubble.
+TEST_F(BubbleManagerUnittest, ShowAndHide2Bubbles) {
+  BubbleManager manager;
+
+  DelegateMock delegate1,
+               delegate2;
+
+  EXPECT_CALL(delegate1, OnShow()).Times(1);
+  EXPECT_CALL(delegate1, OnHide()).Times(1);
+
+  EXPECT_CALL(delegate2, OnShow()).Times(1);
+  EXPECT_CALL(delegate2, OnHide()).Times(1);
+
+  manager.ShowBubble(&delegate1);
+  manager.ShowBubble(&delegate2);
+
+  manager.HideBubble(&delegate1);
+  manager.HideBubble(&delegate2);
+}
+
+}  // namespace