Add mouse/keyboard event support to Chromoting client (Pepper and X11).

remoting/client/plugin/chromoting_instance.cc

Index: remoting/client/plugin/chromoting_instance.cc
diff --git a/remoting/client/plugin/chromoting_instance.cc b/remoting/client/plugin/chromoting_instance.cc
index edde1f32e8b088eb71c837085c66f819c144c0cf..71f356309c6496d1774bc3e40a52bb4622ddbb94 100644
--- a/remoting/client/plugin/chromoting_instance.cc
+++ b/remoting/client/plugin/chromoting_instance.cc
@@ -121,20 +121,26 @@ bool ChromotingInstance::HandleEvent(const PP_Event& event) {
   switch (event.type) {
     case PP_EVENT_TYPE_MOUSEDOWN:
       pih->HandleMouseButtonEvent(true, event.u.mouse);
-      break;
+      return true;
+
     case PP_EVENT_TYPE_MOUSEUP:
       pih->HandleMouseButtonEvent(false, event.u.mouse);
-      break;
+      return true;
+
     case PP_EVENT_TYPE_MOUSEMOVE:
     case PP_EVENT_TYPE_MOUSEENTER:
     case PP_EVENT_TYPE_MOUSELEAVE:
       pih->HandleMouseMoveEvent(event.u.mouse);
-      break;
+      return true;
 
     case PP_EVENT_TYPE_KEYDOWN:
+    case PP_EVENT_TYPE_KEYUP:
+      pih->HandleKeyEvent(event.type == PP_EVENT_TYPE_KEYDOWN, event.u.key);
+      return true;
+
     case PP_EVENT_TYPE_CHAR:
-      // client_->handle_char_event(npevent);
-      break;
+      pih->HandleCharacterEvent(event.u.character);
+      return true;
 
     default:
       break;