Revert 127835 - Make sure to add rescheduled message when we have unprocessed commands and there's …

content/common/gpu/gpu_channel.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.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "content/common/gpu/gpu_channel.h"
 
@@ skipping 241 matching lines @@
       if (message->is_sync()) {
         IPC::Message* reply = IPC::SyncMessage::GenerateReply(&*message);
         reply->set_reply_error();
         Send(reply);
       }
     } else {
       // If the command buffer becomes unscheduled as a result of handling the
       // message but still has more commands to process, synthesize an IPC
       // message to flush that command buffer.
       if (stub) {
-        if (stub->HasUnprocessedCommands()) {
+        if (!stub->IsScheduled() && stub->HasUnprocessedCommands()) {
           deferred_messages_.push_front(new GpuCommandBufferMsg_Rescheduled(
               stub->route_id()));
         }
 
         ScheduleDelayedWork(stub, kHandleMoreWorkPeriodMs);
       }
     }
   }
 
   if (!deferred_messages_.empty()) {
@@ skipping 171 matching lines @@
 
 #if defined(OS_POSIX)
 int GpuChannel::TakeRendererFileDescriptor() {
   if (!channel_.get()) {
     NOTREACHED();
     return -1;
   }
   return channel_->TakeClientFileDescriptor();
 }
 #endif  // defined(OS_POSIX)