Remove CHECKs used for bug investigation.

content/ppapi_plugin/ppapi_thread.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/ppapi_plugin/ppapi_thread.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/process_util.h"
@@ skipping 220 matching lines @@
 
   library_.Reset(library.Release());
 }
 
 void PpapiThread::OnMsgCreateChannel(base::ProcessHandle host_process_handle,
                                      int renderer_id) {
   IPC::ChannelHandle channel_handle;
   if (!library_.is_valid() ||  // Plugin couldn't be loaded.
       !SetupRendererChannel(host_process_handle, renderer_id,
                             &channel_handle)) {
-    // TODO(xhwang): Add CHECK to investigate the root cause of
-    // crbug.com/103957.  Will remove after the bug is fixed.
-    CHECK(!is_broker_ || library_.is_valid());
     Send(new PpapiHostMsg_ChannelCreated(IPC::ChannelHandle()));
     return;
   }
 
   Send(new PpapiHostMsg_ChannelCreated(channel_handle));
 }
 
 void PpapiThread::OnMsgSetNetworkState(bool online) {
   if (!get_plugin_interface_)
     return;
@@ skipping 49 matching lines @@
     delete dispatcher;
     return false;
   }
 
   handle->name = plugin_handle.name;
 #if defined(OS_POSIX)
   // On POSIX, transfer ownership of the renderer-side (client) FD.
   // This ensures this process will be notified when it is closed even if a
   // connection is not established.
   handle->socket = base::FileDescriptor(dispatcher->TakeRendererFD(), true);
-  // Check the validity of fd for bug investigation. Remove after fixed.
-  // See for details: crbug.com/103957.
-  CHECK_NE(-1, handle->socket.fd);
   if (handle->socket.fd == -1)
     return false;
 #endif
 
   // From here, the dispatcher will manage its own lifetime according to the
   // lifetime of the attached channel.
   return true;
 }
 
 void PpapiThread::SavePluginName(const FilePath& path) {
   ppapi::proxy::PluginGlobals::Get()->set_plugin_name(
       path.BaseName().AsUTF8Unsafe());
 }