MouseMove when the mouse is down to signal compositor priority

content/renderer/scheduler/renderer_scheduler_impl_unittest.cc

Index: content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
diff --git a/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc b/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
index 7f49e514e5ee11502685567435011a3c02e160db..a12b7f1a38b3accb0574cc6a2492a32dd7dd2e02 100644
--- a/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
+++ b/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
@@ -385,7 +385,7 @@ TEST_F(RendererSchedulerImplTest, TestCompositorPolicy_DidAnimateForInput) {
 }
 
 TEST_F(RendererSchedulerImplTest,
-       DidReceiveInputEventOnCompositorThread_IgnoresMouseEvents) {
+       DidReceiveInputEventOnCompositorThread_IgnoresMouseMove_InIsolation) {
   std::vector<std::string> order;
 
   idle_task_runner_->PostIdleTask(
@@ -415,6 +415,72 @@ TEST_F(RendererSchedulerImplTest,
 }
 
 TEST_F(RendererSchedulerImplTest,
+       DidReceiveInputEventOnCompositorThread_IgnoresMouseMove_WhenMouseUp) {
+  std::vector<std::string> order;
+
+  idle_task_runner_->PostIdleTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorIdleTestTask, &order, std::string("I1")));
+  default_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("D1")));
+  compositor_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("C1")));
+  default_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("D2")));
+  compositor_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("C2")));
+
+  scheduler_->DidReceiveInputEventOnCompositorThread(
+      blink::WebInputEvent::MouseDown);
+  scheduler_->DidReceiveInputEventOnCompositorThread(
+      blink::WebInputEvent::MouseUp);
+  scheduler_->DidReceiveInputEventOnCompositorThread(
+      blink::WebInputEvent::MouseMove);
+  EnableIdleTasks();
+  RunUntilIdle();
+  // Note compositor tasks are not prioritized.
+  EXPECT_THAT(order, testing::ElementsAre(std::string("D1"), std::string("C1"),
+                                          std::string("D2"), std::string("C2"),
+                                          std::string("I1")));
+}
+
+TEST_F(RendererSchedulerImplTest,
+       DidReceiveInputEventOnCompositorThread_MouseMove_WhenMouseDown) {
+  std::vector<std::string> order;
+
+  idle_task_runner_->PostIdleTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorIdleTestTask, &order, std::string("I1")));
+  default_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("D1")));
+  compositor_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("C1")));
+  default_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("D2")));
+  compositor_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("C2")));
+
+  scheduler_->DidReceiveInputEventOnCompositorThread(
+      blink::WebInputEvent::MouseDown);
+  scheduler_->DidReceiveInputEventOnCompositorThread(
+      blink::WebInputEvent::MouseMove);
+  EnableIdleTasks();
+  RunUntilIdle();
+  // Note compositor tasks are not prioritized.
+  EXPECT_THAT(order, testing::ElementsAre(std::string("C1"), std::string("C2"),
+                                          std::string("D1"), std::string("D2"),
+                                          std::string("I1")));
+}
+
+TEST_F(RendererSchedulerImplTest,
        DidReceiveInputEventOnCompositorThread_IgnoresKeyboardEvents) {
   std::vector<std::string> order;