Remove TransportDIB methods from RenderProcess(Host)

content/browser/renderer_host/render_widget_helper.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_widget_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/lazy_instance.h"
 #include "base/posix/eintr_wrapper.h"
@@ skipping 325 matching lines @@
 
 void RenderWidgetHelper::OnCreateFullscreenWidgetOnUI(int opener_id,
                                                       int route_id) {
   RenderViewHostImpl* host = RenderViewHostImpl::FromID(
       render_process_id_, opener_id);
   if (host)
     host->CreateNewFullscreenWidget(route_id);
 }
 
 #if defined(OS_POSIX) && !defined(OS_ANDROID)
-TransportDIB* RenderWidgetHelper::MapTransportDIB(TransportDIB::Id dib_id) {
-  base::AutoLock locked(allocated_dibs_lock_);
-
-  const std::map<TransportDIB::Id, int>::iterator
-      i = allocated_dibs_.find(dib_id);
-  if (i == allocated_dibs_.end())
-    return NULL;
-
-  base::FileDescriptor fd(dup(i->second), true);
-  return TransportDIB::Map(fd);
-}
-
 void RenderWidgetHelper::AllocTransportDIB(uint32 size,
                                            bool cache_in_browser,
                                            TransportDIB::Handle* result) {
   scoped_ptr<base::SharedMemory> shared_memory(new base::SharedMemory());
   if (!shared_memory->CreateAnonymous(size)) {
     result->fd = -1;
     result->auto_close = false;
     return;
   }
 
@@ skipping 26 matching lines @@
        i = allocated_dibs_.begin(); i != allocated_dibs_.end(); ++i) {
     if (IGNORE_EINTR(close(i->second)) < 0)
       PLOG(ERROR) << "close: " << i->first;
   }
 
   allocated_dibs_.clear();
 }
 #endif
 
 }  // namespace content