Call QuitNow instead of exit(0) to kill GPU process.

content/common/gpu/gpu_command_buffer_stub.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/common/gpu/gpu_command_buffer_stub.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1124 matching lines @@
 
     // Work around issues with recovery by allowing a new GPU process to launch.
     if ((was_lost_by_robustness ||
          context_group_->feature_info()->workarounds().exit_on_context_lost) &&
         !base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kSingleProcess) &&
         !base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kInProcessGPU)) {
       LOG(ERROR) << "Exiting GPU process because some drivers cannot recover"
                  << " from problems.";
-#if defined(OS_WIN)
-      base::win::SetShouldCrashOnProcessDetach(false);
-#endif
-      exit(0);
+      // Signal the message loop to quit to shut down other threads
+      // gracefully.
+      base::MessageLoop::current()->QuitNow();
     }
 
     // Lose all other contexts if the reset was triggered by the robustness
     // extension instead of being synthetic.
     if (was_lost_by_robustness &&
         (gfx::GLContext::LosesAllContextsOnContextLost() ||
          use_virtualized_gl_context_)) {
       channel_->LoseAllContexts();
     }
   }
@@ skipping 20 matching lines @@
                                                     result));
 }
 
 void GpuCommandBufferStub::SendUpdateVSyncParameters(base::TimeTicks timebase,
                                                      base::TimeDelta interval) {
   Send(new GpuCommandBufferMsg_UpdateVSyncParameters(route_id_, timebase,
                                                      interval));
 }
 
 }  // namespace content