Revert 152040 - GPU process exits with error code on failure to initialize.

content/gpu/gpu_child_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/gpu/gpu_child_thread.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/threading/worker_pool.h"
 #include "build/build_config.h"
 #include "content/common/child_process.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/gpu/gpu_info_collector.h"
 #include "content/gpu/gpu_watchdog_thread.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
-#include "content/public/common/result_codes.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "ui/gl/gl_implementation.h"
 
 const int kGpuTimeout = 10000;
 
 namespace {
 
 bool GpuProcessLogMessageHandler(int severity,
                                  const char* file, int line,
@@ skipping 79 matching lines @@
   if (handled)
     return true;
 
   return gpu_channel_manager_.get() &&
       gpu_channel_manager_->OnMessageReceived(msg);
 }
 
 void GpuChildThread::OnInitialize() {
   if (dead_on_arrival_) {
     VLOG(1) << "Exiting GPU process due to errors during initialization";
-
-    // Exit with the exit code that would be returned if the GPU process was
-    // killed using task mamager so that it does not count as a crash.
-    // TODO(apatrick): this is temporary to see if this impacts the crash
-    // statistics. If it does then the crash accounting should be fixed.
-    exit(content::RESULT_CODE_KILLED);
+    MessageLoop::current()->Quit();
+    return;
   }
 
   // We don't need to pipe log messages if we are running the GPU thread in
   // the browser process.
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess) &&
       !CommandLine::ForCurrentProcess()->HasSwitch(switches::kInProcessGPU))
     logging::SetLogMessageHandler(GpuProcessLogMessageHandler);
 
   // Record initialization only after collecting the GPU info because that can
   // take a significant amount of time.
@@ skipping 131 matching lines @@
 // Runs on the main thread.
 void GpuChildThread::SetDxDiagnostics(GpuChildThread* thread,
                                       const content::DxDiagNode& node) {
   thread->gpu_info_.dx_diagnostics = node;
   thread->gpu_info_.finalized = true;
   thread->collecting_dx_diagnostics_ = false;
   thread->Send(new GpuHostMsg_GraphicsInfoCollected(thread->gpu_info_));
 }
 
 #endif