Ping watchdog thread during GpuChannel destruction

gpu/command_buffer/service/texture_manager.h

Index: gpu/command_buffer/service/texture_manager.h
diff --git a/gpu/command_buffer/service/texture_manager.h b/gpu/command_buffer/service/texture_manager.h
index f0d3185eceb7079141660441c69b4b8d83c754e7..f2097c9b7f1147126e862f773772ba1555a6f48d 100644
--- a/gpu/command_buffer/service/texture_manager.h
+++ b/gpu/command_buffer/service/texture_manager.h
@@ -38,6 +38,7 @@ class ErrorState;
 class FeatureInfo;
 class FramebufferManager;
 class MailboxManager;
+class ProgressReporter;
 class Texture;
 class TextureManager;
 class TextureRef;
@@ -765,7 +766,8 @@ class GPU_EXPORT TextureManager : public base::trace_event::MemoryDumpProvider {
                  GLsizei max_rectangle_texture_size,
                  GLsizei max_3d_texture_size,
                  GLsizei max_array_texture_layers,
-                 bool use_default_textures);
+                 bool use_default_textures,
+                 ProgressReporter* progress_reporter);
   ~TextureManager() override;
 
   void set_framebuffer_manager(FramebufferManager* manager) {
@@ -1235,6 +1237,11 @@ class GPU_EXPORT TextureManager : public base::trace_event::MemoryDumpProvider {
 
   uint32_t current_service_id_generation_;
 
+  // Used to notify the watchdog thread of progress during destruction,
+  // preventing time-outs when destruction takes a long time. May be null when
+  // using in-process command buffer.
+  ProgressReporter* progress_reporter_;
+
   DISALLOW_COPY_AND_ASSIGN(TextureManager);
 };