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

content/public/common/renderer_preferences.h

Index: content/public/common/renderer_preferences.h
diff --git a/content/public/common/renderer_preferences.h b/content/public/common/renderer_preferences.h
index adc9901a2d4a28c248399dfe0fbf79a141af01d1..c584e9a974ea775d3548a8372bf2913799e20c45 100644
--- a/content/public/common/renderer_preferences.h
+++ b/content/public/common/renderer_preferences.h
@@ -135,6 +135,7 @@ struct CONTENT_EXPORT RendererPreferences {
   // encrypted video.  Currently only used by Android.
   bool use_view_overlay_for_all_video;
 
+#if defined(OS_WIN)
   // The default system font settings for caption, small caption, menu and
   // status messages. Used only by Windows.
   base::string16 caption_font_family_name;
@@ -154,6 +155,20 @@ struct CONTENT_EXPORT RendererPreferences {
 
   // Contry iso of the mobile network for content detection purpose.
   std::string network_contry_iso;
+
+  // The width of a vertical scroll bar in dips.
+  int32 vertical_scroll_bar_width_in_dips;
+
+  // The height of a horizontal scroll bar in dips.
+  int32 horizontal_scroll_bar_height_in_dips;
+
+  // The height of the arrow bitmap on a vertical scroll bar in dips.
+  int32 arrow_bitmap_height_vertical_scroll_bar_in_dips;
+
+  // The width of the arrow bitmap on a horizontal scroll bar in dips.
+  int32 arrow_bitmap_width_horizontal_scroll_bar_in_dips;
+#endif
+
 };
 
 }  // namespace content