Copy renderer preferences from embedder to guest.

content/browser/browser_plugin/browser_plugin_embedder.cc

Index: content/browser/browser_plugin/browser_plugin_embedder.cc
diff --git a/content/browser/browser_plugin/browser_plugin_embedder.cc b/content/browser/browser_plugin/browser_plugin_embedder.cc
index 4c3900daa246593b22c4fbb1ae61cd3d3062c82c..c9cd50b58c3fd494379151d6dd136840474a2be6 100644
--- a/content/browser/browser_plugin/browser_plugin_embedder.cc
+++ b/content/browser/browser_plugin/browser_plugin_embedder.cc
@@ -99,6 +99,29 @@ void BrowserPluginEmbedder::NavigateGuest(RenderViewHost* render_view_host,
 
     guest_web_contents->GetMutableRendererPrefs()->
         throttle_input_events = false;
+#if defined(TOOLKIT_GTK)

[Fady Samuel, 2012/09/21 23:27:12]

Is it worthwhile to just copy the struct on all platforms? Does this break
anything?

+    // Copy selection color and caret blink rate prefs from embedder, otherwise
+    // things don't work on gtk.
+    content::RendererPreferences* embedder_renderer_prefs =
+        web_contents()->GetMutableRendererPrefs();
+    content::RendererPreferences* guest_renderer_prefs =
+        guest_web_contents->GetMutableRendererPrefs();
+
+    guest_renderer_prefs->active_selection_bg_color =
+        embedder_renderer_prefs->active_selection_bg_color;
+    guest_renderer_prefs->active_selection_fg_color =
+        embedder_renderer_prefs->active_selection_fg_color;
+    guest_renderer_prefs->inactive_selection_bg_color =
+        embedder_renderer_prefs->inactive_selection_bg_color;
+    guest_renderer_prefs->inactive_selection_fg_color =
+        embedder_renderer_prefs->inactive_selection_fg_color;
+
+    guest_renderer_prefs->caret_blink_interval =
+        embedder_renderer_prefs->caret_blink_interval;
+    guest_renderer_prefs->focus_ring_color =
+        embedder_renderer_prefs->focus_ring_color;
+#endif
+
     AddGuest(instance_id, guest_web_contents, frame_id);
     guest_web_contents->SetDelegate(guest);
   } else {