Stop disabling force_compositing_mode for background RenderViews.

content/renderer/render_view_impl_params.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/renderer/render_view_impl_params.h"
 
 namespace content {
 
 RenderViewImplParams::RenderViewImplParams(
     int32 opener_id,
     const RendererPreferences& renderer_prefs,
     const WebPreferences& webkit_prefs,
     int32 routing_id,
     int32 main_frame_routing_id,
     int32 surface_id,
     int64 session_storage_namespace_id,
     const base::string16& frame_name,
     bool is_renderer_created,
     bool swapped_out,
     bool hidden,
+    bool background,
     int32 next_page_id,
     const blink::WebScreenInfo& screen_info,
     AccessibilityMode accessibility_mode)
     : opener_id(opener_id),
       renderer_prefs(renderer_prefs),
       webkit_prefs(webkit_prefs),
       routing_id(routing_id),
       main_frame_routing_id(main_frame_routing_id),
       surface_id(surface_id),
       session_storage_namespace_id(session_storage_namespace_id),
       frame_name(frame_name),
       is_renderer_created(is_renderer_created),
       swapped_out(swapped_out),
       hidden(hidden),
+      background(background),
       next_page_id(next_page_id),
       screen_info(screen_info),
       accessibility_mode(accessibility_mode) {}
 
 RenderViewImplParams::~RenderViewImplParams() {}
 
 }  // namespace content