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

remoting/client/x11_input_handler.cc

Index: remoting/client/x11_input_handler.cc
diff --git a/remoting/client/x11_input_handler.cc b/remoting/client/x11_input_handler.cc
index f7900ca2d19d9e1d8b208e0b66f40f85f60a24f3..bd63af9077ba4ae63cf505ea55bed1e4af036689 100644
--- a/remoting/client/x11_input_handler.cc
+++ b/remoting/client/x11_input_handler.cc
@@ -12,6 +12,7 @@
 // Include Xlib at the end because it clashes with Status in
 // base/tracked_objects.h.
 #include <X11/Xlib.h>
+#include <X11/Xutil.h>
 
 namespace remoting {
 
@@ -42,7 +43,7 @@ void X11InputHandler::DoProcessX11Events() {
         break;
       case KeyPress:
       case KeyRelease:
-        // TODO(garykac) Implement.
+        HandleKeyEvent(&e);
         break;
       case ButtonPress:
         HandleMouseButtonEvent(true, e.xbutton.button);
@@ -73,6 +74,15 @@ void X11InputHandler::ScheduleX11EventHandler() {
       kProcessEventsInterval);
 }
 
+void X11InputHandler::HandleKeyEvent(void* event) {
+  XEvent* e = reinterpret_cast<XEvent*>(event);
+  char buffer[128];
+  int buffsize = sizeof(buffer) - 1;
+  KeySym keysym;
+  XLookupString(&e->xkey, buffer, buffsize, &keysym, NULL);
+  SendKeyEvent(e->type == KeyPress, static_cast<int>(keysym));
+}
+
 void X11InputHandler::HandleMouseMoveEvent(int x, int y) {
   SendMouseMoveEvent(x, y);
 }