Ping watchdog thread during GpuChannel destruction

gpu/ipc/service/gpu_command_buffer_stub.cc

Index: gpu/ipc/service/gpu_command_buffer_stub.cc
diff --git a/gpu/ipc/service/gpu_command_buffer_stub.cc b/gpu/ipc/service/gpu_command_buffer_stub.cc
index 412d9a97182600dd249a90304302123b615ba887..5f9390b21c649f39b53548c37019edbdd9049d57 100644
--- a/gpu/ipc/service/gpu_command_buffer_stub.cc
+++ b/gpu/ipc/service/gpu_command_buffer_stub.cc
@@ -275,6 +275,12 @@ bool GpuCommandBufferStub::Send(IPC::Message* message) {
   return channel_->Send(message);
 }
 
+void GpuCommandBufferStub::ReportProgress() {
+  if (auto* watchdog = channel_->watchdog()) {
+    watchdog->CheckArmed();
+  }
+}
+
 bool GpuCommandBufferStub::IsScheduled() {
   return (!executor_.get() || executor_->scheduled());
 }
@@ -469,7 +475,7 @@ bool GpuCommandBufferStub::Initialize(
         manager->shader_translator_cache(),
         manager->framebuffer_completeness_cache(), feature_info,
         init_params.attribs.bind_generates_resource,
-        gmb_factory ? gmb_factory->AsImageFactory() : nullptr);
+        gmb_factory ? gmb_factory->AsImageFactory() : nullptr, this);

[danakj, 2016/10/05 21:36:15]

Can you /* progress_reporter */ on the |this|

[ericrk, 2016/10/05 22:36:17]

Done.

   }
 
 #if defined(OS_MACOSX)