TaskGraphRunner refactor

base/threading/thread_restrictions.h

Index: base/threading/thread_restrictions.h
diff --git a/base/threading/thread_restrictions.h b/base/threading/thread_restrictions.h
index 2d78c9bdf8593e74ee019f3664cf15f83da8d8f9..0d04698f4da5438d268188fd7b7a8cb1012a1bed 100644
--- a/base/threading/thread_restrictions.h
+++ b/base/threading/thread_restrictions.h
@@ -22,6 +22,7 @@ class ScopedAllowWaitForLegacyWebViewApi;
 
 namespace cc {
 class CompletionEvent;
+class SingleThreadTaskGraphRunner;
 class TaskGraphRunner;
 }
 namespace chromeos {
@@ -44,6 +45,7 @@ class ScopedAllowWaitForAndroidLayoutTests;
 class ScopedAllowWaitForDebugURL;
 class SoftwareOutputDeviceMus;
 class TextInputClientMac;
+class RasterWorkerPool;
 }  // namespace content
 namespace dbus {
 class Bus;
@@ -187,7 +189,8 @@ class BASE_EXPORT ThreadRestrictions {
   friend class ::HistogramSynchronizer;
   friend class ::ScopedAllowWaitForLegacyWebViewApi;
   friend class cc::CompletionEvent;
-  friend class cc::TaskGraphRunner;
+  friend class cc::SingleThreadTaskGraphRunner;
+  friend class content::RasterWorkerPool;
   friend class mojo::common::WatcherThreadManager;
   friend class remoting::AutoThread;
   friend class ui::WindowResizeHelperMac;