ozone: Remove the explicit call to start listening for events.

ui/events/ozone/evdev/event_factory_evdev.cc

Index: ui/events/ozone/evdev/event_factory_evdev.cc
diff --git a/ui/events/ozone/evdev/event_factory_evdev.cc b/ui/events/ozone/evdev/event_factory_evdev.cc
index b1c5c4c381d947b959042348253d0a65dc28dcd0..842df47605e6957918aa6793fa06f68bead896de 100644
--- a/ui/events/ozone/evdev/event_factory_evdev.cc
+++ b/ui/events/ozone/evdev/event_factory_evdev.cc
@@ -132,7 +132,6 @@ void CloseInputDevice(const base::FilePath& path,
 
 EventFactoryEvdev::EventFactoryEvdev()
     : device_manager_(NULL),
-      has_started_processing_events_(false),
       ui_task_runner_(base::MessageLoopProxy::current()),
       cursor_(NULL),
       dispatch_callback_(
@@ -144,13 +143,18 @@ EventFactoryEvdev::EventFactoryEvdev(
     CursorDelegateEvdev* cursor,
     DeviceManager* device_manager)
     : device_manager_(device_manager),
-      has_started_processing_events_(false),
       ui_task_runner_(base::MessageLoopProxy::current()),
       cursor_(cursor),
       dispatch_callback_(
           base::Bind(base::IgnoreResult(&EventFactoryEvdev::DispatchUiEvent),
                      base::Unretained(this))),
-      weak_ptr_factory_(this) {}
+      weak_ptr_factory_(this) {
+  if (device_manager_) {
+    // Scan & monitor devices.
+    device_manager_->AddObserver(this);
+    device_manager_->ScanDevices(this);

[sadrul, 2014/05/15 16:30:04]

I am not sure if this depends on other parts of the system being initialized
first? If so, we can move this from here into OnDispatcherListChanged()
override.

+  }
+}
 
 EventFactoryEvdev::~EventFactoryEvdev() { STLDeleteValues(&converters_); }
 
@@ -227,17 +231,6 @@ void EventFactoryEvdev::DetachInputDevice(const base::FilePath& path) {
   }
 }
 
-void EventFactoryEvdev::StartProcessingEvents() {
-  CHECK(ui_task_runner_->RunsTasksOnCurrentThread());
-
-  if (device_manager_ && !has_started_processing_events_) {
-    has_started_processing_events_ = true;
-    // Scan & monitor devices.
-    device_manager_->AddObserver(this);
-    device_manager_->ScanDevices(this);
-  }
-}
-
 void EventFactoryEvdev::WarpCursorTo(gfx::AcceleratedWidget widget,
                                      const gfx::PointF& location) {
   if (cursor_) {