Fix key missing problem on windows

remoting/host/event_executor_win.cc

 // Copyright (c) 2010 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_win.h"
 
 #include <windows.h>
 
 #include "base/message_loop.h"
 #include "base/stl_util-inl.h"
@@ skipping 43 matching lines @@
 
 void EventExecutorWin::HandleKey(const KeyEvent* event) {
   int key = event->keycode();
   bool down = event->pressed();
 
   // Calculate scan code from virtual key.
   HKL hkl = GetKeyboardLayout(0);
   int scan_code = MapVirtualKeyEx(key, MAPVK_VK_TO_VSC_EX, hkl);
 
   INPUT input;
+  memset(&input, 0, sizeof(input));
+
   input.type = INPUT_KEYBOARD;
   input.ki.time = 0;
   input.ki.wVk = key;
   input.ki.wScan = scan_code;
 
   // Flag to mark extended 'e0' key scancodes. Without this, the left and
   // right windows keys will not be handled properly (on US keyboard).
   if ((scan_code & 0xFF00) == 0xE000) {
     input.ki.dwFlags |= KEYEVENTF_EXTENDEDKEY;
   }
@@ skipping 68 matching lines @@
     } else {
       button_event.mi.dwFlags =
           down ? MOUSEEVENTF_LEFTDOWN : MOUSEEVENTF_LEFTUP;
     }
 
     SendInput(1, &button_event, sizeof(INPUT));
   }
 }
 
 }  // namespace remoting