Add video_fullscreen_orientation_lock_enabled to common_params_traits_macros.h

It was missing from https://codereview.chromium.org/2547533002

BUG=326572
R=mkwst@chromium.org

Review-Url: https://codereview.chromium.org/2561163005
Cr-Commit-Position: refs/heads/master@{#437849}

content/public/common/common_param_traits_macros.h

@@ -238,6 +238,7 @@ IPC_STRUCT_TRAITS_BEGIN(content::WebPreferences)
   IPC_STRUCT_TRAITS_MEMBER(resue_global_for_unowned_main_frame)
   IPC_STRUCT_TRAITS_MEMBER(progress_bar_completion)
   IPC_STRUCT_TRAITS_MEMBER(spellcheck_enabled_by_default)
+  IPC_STRUCT_TRAITS_MEMBER(video_fullscreen_orientation_lock_enabled)
 #else  // defined(OS_ANDROID)
   IPC_STRUCT_TRAITS_MEMBER(cross_origin_media_playback_requires_user_gesture)
 #endif  // defined(OS_ANDROID)