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

content/renderer/mus/compositor_mus_connection_unittest.cc

Index: content/renderer/mus/compositor_mus_connection_unittest.cc
diff --git a/content/renderer/mus/compositor_mus_connection_unittest.cc b/content/renderer/mus/compositor_mus_connection_unittest.cc
index 236bbe33ec41afefe67b3bdd75b784280037a143..3404d8029f619a8aa630fb217dab38a5819fba65 100644
--- a/content/renderer/mus/compositor_mus_connection_unittest.cc
+++ b/content/renderer/mus/compositor_mus_connection_unittest.cc
@@ -206,8 +206,10 @@ void TestRenderWidgetInputHandler::HandleInputEvent(
     const ui::LatencyInfo& latency_info,
     content::InputEventDispatchType dispatch_type) {
   if (delegate_) {
-    std::unique_ptr<content::InputEventAck> ack(
-        new content::InputEventAck(input_event.type, state_));
+    std::unique_ptr<content::InputEventAck> ack(new content::InputEventAck(
+        content::InputEventAckLocation::

[dcheng, 2016/11/04 18:24:49]

Nit: though it's not really changed by this CL, consider moving this unnamed
namespace into namespace content below (that way, we won't have to specify the
content namespace so much in this code)

[dtapuska, 2016/11/04 20:14:16]

Done.

+            INPUT_EVENT_ACK_LOCATION_COMPOSITOR_THREAD,
+        input_event.type, state_));
     delegate_->OnInputEventAck(std::move(ack));
   }
 }