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 a71cad2795bb4e671ee8a81626154d607e2a608b..a6204e8d564b3d052d5bf07a0b5d30634c81401f 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 {
@@ -43,6 +44,7 @@ class NestedMessagePumpAndroid;
 class ScopedAllowWaitForAndroidLayoutTests;
 class ScopedAllowWaitForDebugURL;
 class TextInputClientMac;
+class RasterWorkerPool;
 }  // namespace content
 namespace dbus {
 class Bus;
@@ -183,7 +185,8 @@ 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;