Switch Pepper Linux to use shared USB<->native key conversion table.

remoting/host/event_executor_linux.cc

 // Copyright (c) 2012 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 "remoting/host/event_executor.h"
 
 #include <X11/Xlib.h>
 #include <X11/extensions/XTest.h>
 #include <X11/extensions/XInput.h>
 
@@ skipping 197 matching lines @@
     task_runner_->PostTask(FROM_HERE,
                            base::Bind(&Core::InjectKeyEvent, this, event));
     return;
   }
 
   int keycode = UsbKeycodeToNativeKeycode(event.usb_keycode());
   VLOG(3) << "Converting USB keycode: " << std::hex << event.usb_keycode()
           << " to keycode: " << keycode << std::dec;
 
   // Ignore events which can't be mapped.
-  if (keycode == kInvalidKeycode)
+  if (keycode == InvalidNativeKeycode())
     return;
 
   if (event.pressed()) {
     if (pressed_keys_.find(keycode) != pressed_keys_.end()) {
       // Key is already held down, so lift the key up to ensure this repeated
       // press takes effect.
       XTestFakeKeyEvent(display_, keycode, False, CurrentTime);
     } else {
       // Key is not currently held down, so disable auto-repeat for this
       // key to avoid repeated presses in case network congestion delays the
@@ skipping 247 matching lines @@
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   scoped_ptr<EventExecutorLinux> executor(
       new EventExecutorLinux(main_task_runner));
   if (!executor->Init())
     return scoped_ptr<EventExecutor>(NULL);
   return executor.PassAs<EventExecutor>();
 }
 
 }  // namespace remoting