Make workers functional on OSX and Linux.

chrome/browser/worker_host/worker_process_host.cc

 // Copyright (c) 2009 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 "chrome/browser/worker_host/worker_process_host.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "base/debug_util.h"
+#if defined(OS_POSIX)
+#include "base/global_descriptors_posix.h"
+#endif
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/child_process_security_policy.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/worker_host/worker_service.h"
+#include "chrome/common/chrome_descriptors.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/debug_flags.h"
 #include "chrome/common/process_watcher.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/worker_messages.h"
 #include "net/base/registry_controlled_domain.h"
 
 #if defined(OS_WIN)
 #include "chrome/browser/sandbox_policy.h"
 #endif
@@ skipping 62 matching lines @@
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kWebWorkerShareProcesses)) {
     cmd_line.AppendSwitch(switches::kWebWorkerShareProcesses);
   }
 
   base::ProcessHandle process;
 #if defined(OS_WIN)
   process = sandbox::StartProcess(&cmd_line);
 #else
-  base::LaunchApp(cmd_line, false, false, &process);
+  // This code is duplicated with browser_render_process_host.cc, but
+  // there's not a good place to de-duplicate it.
+  base::file_handle_mapping_vector fds_to_map;
+  const int ipcfd = channel().GetClientFileDescriptor();
+  if (ipcfd > -1) {
+    fds_to_map.push_back(std::pair<int, int>(
+      ipcfd, kPrimaryIPCChannel + base::GlobalDescriptors::kBaseDescriptor));

[jam, 2009/07/13 23:30:22]

nit: sorry I wasn't clear least time, two spaces on the first line and 4 spaces
on the second.

+  }
+  base::LaunchApp(cmd_line.argv(), fds_to_map, false, &process);
 #endif
   if (!process)
     return false;
   SetHandle(process);
 
   ChildProcessSecurityPolicy::GetInstance()->Add(GetProcessId());
 
   return true;
 }
 
@@ skipping 107 matching lines @@
 }
 
 void WorkerProcessHost::OnCancelCreateDedicatedWorker(int route_id) {
   WorkerService::GetInstance()->CancelCreateDedicatedWorker(
       GetProcessId(), route_id);
 }
 
 void WorkerProcessHost::OnForwardToWorker(const IPC::Message& message) {
   WorkerService::GetInstance()->ForwardMessage(message, GetProcessId());
 }