Copy renderer preferences from embedder to guest.

content/browser/browser_plugin/browser_plugin_embedder.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
 
 #include <set>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 77 matching lines @@
         render_view_host->GetSiteInstance()->GetSite().host();
     guest_web_contents = WebContentsImpl::CreateGuest(
         web_contents()->GetBrowserContext(),
         host,
         instance_id);
 
     guest = guest_web_contents->GetBrowserPluginGuest();
     guest->set_embedder_render_process_host(
         render_view_host->GetProcess());
 
-    guest_web_contents->GetMutableRendererPrefs()->
-        throttle_input_events = false;
+    RendererPreferences* guest_renderer_prefs =
+        guest_web_contents->GetMutableRendererPrefs();
+    // Copy renderer preferences (and nothing else) from the embedder's
+    // TabContents to the guest.
+    //
+    // For GTK and Aura this is necessary to get proper renderer configuration
+    // values for caret blinking interval, colors related to selection and
+    // focus.
+    *guest_renderer_prefs = *web_contents()->GetMutableRendererPrefs();
+
+    guest_renderer_prefs->throttle_input_events = false;
     AddGuest(instance_id, guest_web_contents);
     guest_web_contents->SetDelegate(guest);
   } else {
     guest_web_contents =
         static_cast<WebContentsImpl*>(guest->GetWebContents());
   }
 
   // We ignore loading empty urls in web_contents.
   // If a guest sets empty src attribute after it has navigated to some
   // non-empty page, the action is considered no-op.
@@ skipping 123 matching lines @@
       bool visible = *Details<bool>(details).ptr();
       WebContentsVisibilityChanged(visible);
       break;
     }
     default:
       NOTREACHED() << "Unexpected notification type: " << type;
   }
 }
 
 }  // namespace content