Ping watchdog thread during GpuChannel destruction

gpu/command_buffer/service/shader_manager_unittest.cc

Index: gpu/command_buffer/service/shader_manager_unittest.cc
diff --git a/gpu/command_buffer/service/shader_manager_unittest.cc b/gpu/command_buffer/service/shader_manager_unittest.cc
index 1aef056902255d88f1b2915e5236bb83dcd0b7a3..70e6b087e4d9b510c069e8b824ccb1455f16a5e6 100644
--- a/gpu/command_buffer/service/shader_manager_unittest.cc
+++ b/gpu/command_buffer/service/shader_manager_unittest.cc
@@ -6,6 +6,7 @@
 
 #include "gpu/command_buffer/service/gpu_service_test.h"
 #include "gpu/command_buffer/service/mocks.h"
+#include "gpu/command_buffer/service/progress_reporter_stub.h"
 #include "gpu/command_buffer/service/test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_mock.h"
@@ -18,13 +19,13 @@ namespace gles2 {
 
 class ShaderManagerTest : public GpuServiceTest {
  public:
-  ShaderManagerTest() {
-  }
+  ShaderManagerTest() : manager_(&progress_reporter_) {}
 
   ~ShaderManagerTest() override { manager_.Destroy(false); }
 
  protected:
   ShaderManager manager_;
+  ProgressReporterStub progress_reporter_;
 };
 
 TEST_F(ShaderManagerTest, Basic) {