Switch the first thread in a child process to be the main thread, and make the IO thread be the second thread. The change is needed for plugins on mac.

Review URL: http://codereview.chromium.org/149558

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21117 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 6 insertions, 19 deletions

diff --git a/chrome/utility/utility_main.cc b/chrome/utility/utility_main.cc
index ad66043c..bb669a7 100644
--- a/chrome/utility/utility_main.cc
+++ b/chrome/utility/utility_main.cc
@@ -20,15 +20,16 @@
 
 // Mainline routine for running as the utility process.
 int UtilityMain(const MainFunctionParams& parameters) {
-  // The main thread of the render process.
-  MessageLoopForIO main_message_loop;
+  // The main message loop of the utility process.
+  MessageLoop main_message_loop;
   std::wstring app_name = chrome::kBrowserAppName;
   PlatformThread::SetName(WideToASCII(app_name + L"_UtilityMain").c_str());
 
   // Initialize the SystemMonitor
   base::SystemMonitor::Start();
 
-  ChildProcess utility_process(new UtilityThread());
+  ChildProcess utility_process;
+  utility_process.set_main_thread(new UtilityThread());
 #if defined(OS_WIN)
   sandbox::TargetServices* target_services =
       parameters.sandbox_info_.TargetServices();
diff --git a/chrome/utility/utility_thread.cc b/chrome/utility/utility_thread.cc
index 46815b1..dc9f965 100644
--- a/chrome/utility/utility_thread.cc
+++ b/chrome/utility/utility_thread.cc
@@ -11,20 +11,11 @@
 #include "chrome/common/extensions/extension_unpacker.h"
 #include "chrome/common/render_messages.h"
 
-UtilityThread::UtilityThread() : ChildThread(base::Thread::Options()) {
-}
-
-UtilityThread::~UtilityThread() {
-}
-
-void UtilityThread::Init() {
-  ChildThread::Init();
+UtilityThread::UtilityThread() {
   ChildProcess::current()->AddRefProcess();
 }
 
-void UtilityThread::CleanUp() {
-  // Shutdown in reverse of the initialization order.
-  ChildThread::CleanUp();
+UtilityThread::~UtilityThread() {
 }
 
 void UtilityThread::OnControlMessageReceived(const IPC::Message& msg) {
diff --git a/chrome/utility/utility_thread.h b/chrome/utility/utility_thread.h
index 1c128ad..4fad53e 100644
--- a/chrome/utility/utility_thread.h
+++ b/chrome/utility/utility_thread.h
@@ -7,7 +7,6 @@
 
 #include <string>
 
-#include "base/thread.h"
 #include "chrome/common/child_thread.h"
 
 class GURL;
@@ -31,10 +30,6 @@ class UtilityThread : public ChildThread {
   // IPC messages for web resource service.
   void OnUnpackWebResource(const std::string& resource_data);
 
-  // Called by the thread base class
-  virtual void Init();
-  virtual void CleanUp();
-
   DISALLOW_COPY_AND_ASSIGN(UtilityThread);
 };