Improve scrolling performance when there are many windowed plugins in a page....

chrome/renderer/webplugin_delegate_proxy.cc

Index: chrome/renderer/webplugin_delegate_proxy.cc
===================================================================
--- chrome/renderer/webplugin_delegate_proxy.cc	(revision 8043)
+++ chrome/renderer/webplugin_delegate_proxy.cc	(working copy)
@@ -152,7 +152,6 @@
       windowless_(false),
       npobject_(NULL),
       send_deferred_update_geometry_(false),
-      visible_(false),
       sad_plugin_(NULL),
       window_script_object_(NULL),
       transparent_(false),
@@ -196,8 +195,6 @@
     Send(new PluginMsg_UpdateGeometry(instance_id_,
                                       plugin_rect_,
                                       deferred_clip_rect_,
-                                      deferred_cutout_rects_,
-                                      visible_,
                                       NULL,
                                       NULL));
   }
@@ -350,14 +347,10 @@
 
 void WebPluginDelegateProxy::UpdateGeometry(
                 const gfx::Rect& window_rect,
-                const gfx::Rect& clip_rect,
-                const std::vector<gfx::Rect>& cutout_rects,
-                bool visible) {
+                const gfx::Rect& clip_rect) {
   plugin_rect_ = window_rect;
   if (!windowless_) {
     deferred_clip_rect_ = clip_rect;
-    deferred_cutout_rects_ = cutout_rects;
-    visible_ = visible;
     send_deferred_update_geometry_ = true;
     return;
   }
@@ -387,7 +380,7 @@
   }
 
   IPC::Message* msg = new PluginMsg_UpdateGeometry(
-      instance_id_, window_rect, clip_rect, cutout_rects, visible,
+      instance_id_, window_rect, clip_rect,
       transport_store_handle, background_store_handle);
   msg->set_unblock(true);
   Send(msg);