scheduler: Implement WebFrameScheduler and WebPageScheduler

components/scheduler/child/scheduler_helper_unittest.cc

Index: components/scheduler/child/scheduler_helper_unittest.cc
diff --git a/components/scheduler/child/scheduler_helper_unittest.cc b/components/scheduler/child/scheduler_helper_unittest.cc
index 2807186a853e3aa176fca7a4c5004b2c02cc19e4..76212b55dab28f7ef978c67682e0c8ac2b090f17 100644
--- a/components/scheduler/child/scheduler_helper_unittest.cc
+++ b/components/scheduler/child/scheduler_helper_unittest.cc
@@ -183,4 +183,25 @@ TEST_F(SchedulerHelperTest,
   RunUntilIdle();
 }
 
+namespace {

[rmcilroy, 2015/09/18 13:15:46]

nit - newline below "namespace {" and above closing bracket.

[Sami, 2015/09/21 10:52:36]

Done.

+class MockObserver : public SchedulerHelper::Observer {
+ public:
+  MOCK_METHOD1(OnUnregisterTaskQueue,
+               void(const scoped_refptr<TaskQueue>& queue));
+};
+}  // namespace
+
+TEST_F(SchedulerHelperTest, OnUnregisterTaskQueue) {
+  MockObserver observer;
+  scheduler_helper_->SetObserver(&observer);
+
+  scoped_refptr<TaskQueue> task_queue =
+      scheduler_helper_->NewTaskQueue(TaskQueue::Spec("test_queue"));
+
+  EXPECT_CALL(observer, OnUnregisterTaskQueue(_)).Times(1);
+  task_queue->UnregisterTaskQueue();
+
+  scheduler_helper_->SetObserver(nullptr);
+}
+
 }  // namespace scheduler