Avoid calling the GetSystemMetrics API in the renderer process on Windows to get the scrollbar metr…

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index 8525e9493c8beaddc27ec67702d3fdf2b3a7fc80..1a829f50be520a6bf1c83c4531f03e2c56847479 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -252,6 +252,8 @@ IPC_STRUCT_TRAITS_BEGIN(content::RendererPreferences)
   IPC_STRUCT_TRAITS_MEMBER(plugin_fullscreen_allowed)
   IPC_STRUCT_TRAITS_MEMBER(use_video_overlay_for_embedded_encrypted_video)
   IPC_STRUCT_TRAITS_MEMBER(use_view_overlay_for_all_video)
+  IPC_STRUCT_TRAITS_MEMBER(network_contry_iso)
+#if defined(OS_WIN)
   IPC_STRUCT_TRAITS_MEMBER(caption_font_family_name)
   IPC_STRUCT_TRAITS_MEMBER(caption_font_height)
   IPC_STRUCT_TRAITS_MEMBER(small_caption_font_family_name)
@@ -262,7 +264,11 @@ IPC_STRUCT_TRAITS_BEGIN(content::RendererPreferences)
   IPC_STRUCT_TRAITS_MEMBER(status_font_height)
   IPC_STRUCT_TRAITS_MEMBER(message_font_family_name)
   IPC_STRUCT_TRAITS_MEMBER(message_font_height)
-  IPC_STRUCT_TRAITS_MEMBER(network_contry_iso)
+  IPC_STRUCT_TRAITS_MEMBER(vertical_scroll_bar_width_in_dips)
+  IPC_STRUCT_TRAITS_MEMBER(horizontal_scroll_bar_height_in_dips)
+  IPC_STRUCT_TRAITS_MEMBER(arrow_bitmap_height_vertical_scroll_bar_in_dips)
+  IPC_STRUCT_TRAITS_MEMBER(arrow_bitmap_width_horizontal_scroll_bar_in_dips)
+#endif
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::CookieData)