Wire input events through the ViewManagerClient interface.

mojo/services/public/cpp/view_manager/lib/view_manager_synchronizer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/public/cpp/view_manager/lib/view_manager_synchronizer.h"
 
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "mojo/public/cpp/application/connect.h"
 #include "mojo/public/interfaces/service_provider/service_provider.mojom.h"
 #include "mojo/services/public/cpp/view_manager/lib/view_manager_private.h"
 #include "mojo/services/public/cpp/view_manager/lib/view_private.h"
 #include "mojo/services/public/cpp/view_manager/lib/view_tree_node_private.h"
 #include "mojo/services/public/cpp/view_manager/util.h"
+#include "mojo/services/public/cpp/view_manager/view_observer.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/codec/png_codec.h"
 
 namespace mojo {
 namespace view_manager {
 
 uint32_t MakeTransportId(uint16_t connection_id, uint16_t local_id) {
   return (connection_id << 16) | local_id;
 }
 
@@ skipping 571 matching lines @@
   DCHECK_EQ(old_view, node->active_view());
   ViewTreeNodePrivate(node).LocalSetActiveView(new_view);
 }
 
 void ViewManagerSynchronizer::OnViewDeleted(uint32_t view_id) {
   View* view = view_manager_->GetViewById(view_id);
   if (view)
     ViewPrivate(view).LocalDestroy();
 }
 
+void ViewManagerSynchronizer::OnViewInputEvent(
+    uint32_t view_id,
+    EventPtr event,
+    const Callback<void()>& ack_callback) {
+  View* view = view_manager_->GetViewById(view_id);
+  if (view) {
+    FOR_EACH_OBSERVER(ViewObserver,
+                      *ViewPrivate(view).observers(),
+                      OnViewInputEvent(view, event.Pass()));
+  }
+  ack_callback.Run();
+}
+
+
 ////////////////////////////////////////////////////////////////////////////////
 // ViewManagerSynchronizer, private:
 
 void ViewManagerSynchronizer::Sync() {
   // The service connection may not be set up yet. OnConnectionEstablished()
   // will schedule another sync when it is.
   if (!connected_)
     return;
 
   Transactions::const_iterator it = pending_transactions_.begin();
   for (; it != pending_transactions_.end(); ++it) {
     if (!(*it)->committed())
       (*it)->Commit();
   }
 }
 
 void ViewManagerSynchronizer::RemoveFromPendingQueue(
     ViewManagerTransaction* transaction) {
   DCHECK_EQ(transaction, pending_transactions_.front());
   pending_transactions_.erase(pending_transactions_.begin());
   if (pending_transactions_.empty() && !changes_acked_callback_.is_null())
     changes_acked_callback_.Run();
 }
 
 }  // namespace view_manager
 }  // namespace mojo