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..3726d9ba1ea9f98d7614e71d4e936d29136e76fe 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"
@@ -21,7 +22,10 @@ class ShaderManagerTest : public GpuServiceTest {
   ShaderManagerTest() {
   }
 
-  ~ShaderManagerTest() override { manager_.Destroy(false); }
+  ~ShaderManagerTest() override {
+    ProgressReporterStub progress_reporter;
+    manager_.Destroy(false, &progress_reporter);
+  }
 
  protected:
   ShaderManager manager_;
@@ -61,7 +65,8 @@ TEST_F(ShaderManagerTest, Destroy) {
   EXPECT_CALL(*gl_, DeleteShader(kService1Id))
       .Times(1)
       .RetiresOnSaturation();
-  manager_.Destroy(true);
+  ProgressReporterStub progress_reporter;
+  manager_.Destroy(true, &progress_reporter);
   // Check that resources got freed.
   shader1 = manager_.GetShader(kClient1Id);
   ASSERT_TRUE(shader1 == NULL);