Ping watchdog thread during GpuChannel destruction

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.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 "gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 175 matching lines @@
   ::gl::MockGLInterface::SetGLInterface(gl_.get());
 
   SetupMockGLBehaviors();
 
   scoped_refptr<FeatureInfo> feature_info = new FeatureInfo;
   if (command_line) {
     GpuDriverBugWorkarounds gpu_driver_bug_workaround(command_line);
     feature_info = new FeatureInfo(*command_line, gpu_driver_bug_workaround);
   }
 
-  group_ = scoped_refptr<ContextGroup>(
-      new ContextGroup(gpu_preferences_, NULL, memory_tracker_,
-                       new ShaderTranslatorCache(gpu_preferences_),
-                       new FramebufferCompletenessCache, feature_info,
-                       normalized_init.bind_generates_resource, nullptr));
+  group_ = scoped_refptr<ContextGroup>(new ContextGroup(
+      gpu_preferences_, NULL, memory_tracker_,
+      new ShaderTranslatorCache(gpu_preferences_),
+      new FramebufferCompletenessCache, feature_info,
+      normalized_init.bind_generates_resource, nullptr, nullptr));
   bool use_default_textures = normalized_init.bind_generates_resource;
 
   InSequence sequence;
 
   surface_ = new gl::GLSurfaceStub;
   surface_->SetSize(gfx::Size(kBackBufferWidth, kBackBufferHeight));
 
   // Context needs to be created before initializing ContextGroup, which will
   // in turn initialize FeatureInfo, which needs a context to determine
   // extension support.
@@ skipping 1918 matching lines @@
   SetupDefaultProgram();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_0_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu