Don't restart the hang renderer timeout on messages ack'd from the compositor thread.

content/browser/renderer_host/render_widget_host_unittest.cc

Index: content/browser/renderer_host/render_widget_host_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_unittest.cc b/content/browser/renderer_host/render_widget_host_unittest.cc
index 75185179fd9fb39db99a7f5cad1aecaac6f85424..addcadb9b965aa6c3b1171dd541bde98a5e98553 100644
--- a/content/browser/renderer_host/render_widget_host_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_unittest.cc
@@ -528,7 +528,9 @@ class RenderWidgetHostTest : public testing::Test {
   void SendInputEventACK(WebInputEvent::Type type,
                          InputEventAckState ack_result) {
     DCHECK(!WebInputEvent::isTouchEventType(type));
-    InputEventAck ack(type, ack_result);
+    InputEventAck ack(
+        InputEventAckLocation::INPUT_EVENT_ACK_LOCATION_COMPOSITOR_THREAD, type,
+        ack_result);
     host_->OnMessageReceived(InputHostMsg_HandleInputEvent_ACK(0, ack));
   }
 
@@ -1628,8 +1630,10 @@ TEST_F(RenderWidgetHostTest, InputEventRWHLatencyComponent) {
   // Tests RWHI::ForwardTouchEventWithLatencyInfo().
   PressTouchPoint(0, 1);
   uint32_t touch_event_id = SendTouchEvent();
-  InputEventAck ack(WebInputEvent::TouchStart, INPUT_EVENT_ACK_STATE_CONSUMED,
-                    touch_event_id);
+  InputEventAck ack(
+      InputEventAckLocation::INPUT_EVENT_ACK_LOCATION_COMPOSITOR_THREAD,
+      WebInputEvent::TouchStart, INPUT_EVENT_ACK_STATE_CONSUMED,
+      touch_event_id);
   host_->OnMessageReceived(InputHostMsg_HandleInputEvent_ACK(0, ack));
   CheckLatencyInfoComponentInMessage(
       process_, GetLatencyComponentId(), WebInputEvent::TouchStart);