File upload API in chromedriver

chrome/browser/automation/automation_provider_observers.cc

Index: chrome/browser/automation/automation_provider_observers.cc
diff --git a/chrome/browser/automation/automation_provider_observers.cc b/chrome/browser/automation/automation_provider_observers.cc
index a78d153457a519a415ef15e1646ab9d0214ed6a8..c2783d04bd6d89ffa1a1e9d686b7fac961de359a 100644
--- a/chrome/browser/automation/automation_provider_observers.cc
+++ b/chrome/browser/automation/automation_provider_observers.cc
@@ -2569,3 +2569,28 @@ void WaitForProcessLauncherThreadToGoIdleObserver::RunOnUIThread() {
     automation_->Send(reply_message_.release());
   Release();
 }
+
+DragTargetDropAckNotificationObserver::DragTargetDropAckNotificationObserver(
+    AutomationProvider* automation,
+    IPC::Message* reply_message)
+    : automation_(automation->AsWeakPtr()),
+      reply_message_(reply_message) {
+  registrar_.Add(
+      this,
+      NotificationType::RENDER_VIEW_HOST_DID_RECEIVE_DRAG_TARGET_DROP_ACK,
+      NotificationService::AllSources());
+}
+
+DragTargetDropAckNotificationObserver::
+    ~DragTargetDropAckNotificationObserver() {}
+
+void DragTargetDropAckNotificationObserver::Observe(
+    NotificationType type,
+    const NotificationSource& source,
+    const NotificationDetails& details) {
+  if (automation_) {
+    AutomationJSONReply(automation_,
+                        reply_message_.release()).SendSuccess(NULL);
+  }
+  delete this;
+}