Add GetUsbKeyCode dev interface for Pepper key events

remoting/client/plugin/pepper_input_handler.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/client/plugin/pepper_input_handler.h"
 
 #include <iomanip>
 
 #include "base/logging.h"
 #include "ppapi/cpp/input_event.h"
@@ skipping 17 matching lines @@
       // We need to return true here or else we'll get a local (plugin) context
       // menu instead of the mouseup event for the right click.
       return true;
     }
 
     case PP_INPUTEVENT_TYPE_KEYDOWN:
     case PP_INPUTEVENT_TYPE_KEYUP: {
       pp::KeyboardInputEvent pp_key_event(event);
       protocol::KeyEvent key_event;
 
+      // TODO(garykac): Switch to use |pp_key_event.GetUsbScanCode()|.

[Wez, 2012/02/17 01:31:01]

I don't think this comment belongs in this CL?

[garykac, 2012/02/17 18:25:30]

Done.

       key_event.set_keycode(pp_key_event.GetKeyCode());
       key_event.set_pressed(event.GetType() == PP_INPUTEVENT_TYPE_KEYDOWN);
 
       // Dump the modifiers associated with each ESC key release event
       // to facilitate debugging of issues caused by mixed up modifiers.
       if ((pp_key_event.GetKeyCode() == ui::VKEY_ESCAPE) &&
           (event.GetType() == PP_INPUTEVENT_TYPE_KEYUP)) {
         LOG(INFO) << "ESC released: modifiers=0x"
                   << std::hex << pp_key_event.GetModifiers() << std::dec;
       }
@@ skipping 67 matching lines @@
     default: {
       LOG(INFO) << "Unhandled input event: " << event.GetType();
       break;
     }
   }
 
   return false;
 }
 
 }  // namespace remoting