Remove enable-software-compositing command-line flag.

content/renderer/pepper/pepper_plugin_instance_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/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 1891 matching lines @@
     return;
 
   gpu::Mailbox mailbox;
   uint32 sync_point = 0;
   if (bound_graphics_3d_.get()) {
     PlatformContext3D* context = bound_graphics_3d_->platform_context();
     context->GetBackingMailbox(&mailbox, &sync_point);
     DCHECK_EQ(mailbox.IsZero(), sync_point == 0);
   }
   bool want_3d_layer = !mailbox.IsZero();
-  bool want_2d_layer = bound_graphics_2d_platform_ &&
-                       CommandLine::ForCurrentProcess()->HasSwitch(
-                           switches::kEnableSoftwareCompositing);
+  bool want_2d_layer = !!bound_graphics_2d_platform_;
   bool want_layer = want_3d_layer || want_2d_layer;
 
   if ((want_layer == !!texture_layer_.get()) &&
       (want_3d_layer == layer_is_hardware_) &&
       layer_bound_to_fullscreen_ == !!fullscreen_container_) {
     UpdateLayerTransform();
     return;
   }
 
   if (texture_layer_) {
@@ skipping 1216 matching lines @@
     // Running out-of-process. Initiate an IPC call to notify the plugin
     // process.
     ppapi::proxy::HostDispatcher* dispatcher =
         ppapi::proxy::HostDispatcher::GetForInstance(pp_instance());
     dispatcher->Send(new PpapiMsg_PPPInstance_HandleDocumentLoad(
         ppapi::API_ID_PPP_INSTANCE, pp_instance(), pending_host_id, data));
   }
 }
 
 }  // namespace content