Remove the kDisableBrowserPluginCompositing flag.

content/browser/renderer_host/render_view_host_impl.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/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 496 matching lines @@
       command_line.HasSwitch(switches::kMainFrameResizesAreOrientationChanges);
 
   prefs.deferred_image_decoding_enabled =
       command_line.HasSwitch(switches::kEnableDeferredImageDecoding) ||
       content::IsImplSidePaintingEnabled();
 
   prefs.spatial_navigation_enabled = command_line.HasSwitch(
       switches::kEnableSpatialNavigation);
 
   GetContentClient()->browser()->OverrideWebkitPrefs(this, url, &prefs);
-
-  // Disable compositing in guests until we have compositing path implemented
-  // for guests.
-  bool guest_compositing_enabled = !command_line.HasSwitch(
-      switches::kDisableBrowserPluginCompositing);
-  if (GetProcess()->IsGuest() && !guest_compositing_enabled) {
-    prefs.force_compositing_mode = false;
-    prefs.accelerated_compositing_enabled = false;
-  }
-
   return prefs;
 }
 
 void RenderViewHostImpl::Navigate(const FrameMsg_Navigate_Params& params) {
   TRACE_EVENT0("renderer_host", "RenderViewHostImpl::Navigate");
   delegate_->GetFrameTree()->GetMainFrame()->Navigate(params);
 }
 
 void RenderViewHostImpl::NavigateToURL(const GURL& url) {
   delegate_->GetFrameTree()->GetMainFrame()->NavigateToURL(url);
@@ skipping 1313 matching lines @@
   return true;
 }
 
 void RenderViewHostImpl::AttachToFrameTree() {
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->ResetForMainFrameSwap();
 }
 
 }  // namespace content