Maintain key state in the plugin delegate if UIPI is enabled.

webkit/plugins/npapi/webplugin_delegate_impl.h

Index: webkit/plugins/npapi/webplugin_delegate_impl.h
===================================================================
--- webkit/plugins/npapi/webplugin_delegate_impl.h	(revision 95591)
+++ webkit/plugins/npapi/webplugin_delegate_impl.h	(working copy)
@@ -78,6 +78,7 @@
     PLUGIN_QUIRK_WINDOWLESS_NO_RIGHT_CLICK = 32768,  // Linux
     PLUGIN_QUIRK_IGNORE_FIRST_SETWINDOW_CALL = 65536,  // Windows.
     PLUGIN_QUIRK_REPARENT_IN_BROWSER = 131072,  // Windows
+    PLUGIN_QUIRK_PATCH_GETKEYSTATE = 262144,  // Windows
   };
 
   static WebPluginDelegateImpl* Create(const FilePath& filename,
@@ -375,6 +376,9 @@
   // SetCursor interceptor for windowless plugins.
   static HCURSOR WINAPI SetCursorPatch(HCURSOR cursor);
 
+  // GetKeyStatePatch interceptor for UIPI Flash plugin.
+  static SHORT WINAPI GetKeyStatePatch(int vkey);
+
   // RegEnumKeyExW interceptor.
   static LONG WINAPI RegEnumKeyExWPatch(
       HKEY key, DWORD index, LPWSTR name, LPDWORD name_size, LPDWORD reserved,