Remove V8RecrusionScope, cleanup call sites.

extensions/renderer/guest_view/extensions_guest_view_container.cc

Index: extensions/renderer/guest_view/extensions_guest_view_container.cc
diff --git a/extensions/renderer/guest_view/extensions_guest_view_container.cc b/extensions/renderer/guest_view/extensions_guest_view_container.cc
index 3fa9882a9cd013d6cd689f5677108529eb883450..ffa3580e3fe277651aa2e0850e14260d2d5bb7bd 100644
--- a/extensions/renderer/guest_view/extensions_guest_view_container.cc
+++ b/extensions/renderer/guest_view/extensions_guest_view_container.cc
@@ -5,7 +5,6 @@
 #include "extensions/renderer/guest_view/extensions_guest_view_container.h"
 
 #include "content/public/renderer/render_frame.h"
-#include "third_party/WebKit/public/web/WebScopedMicrotaskSuppression.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace extensions {
@@ -56,7 +55,8 @@ void ExtensionsGuestViewContainer::CallElementResizeCallback(
       v8::Integer::New(element_resize_isolate_, new_size.height())};
 
   v8::Context::Scope context_scope(context);
-  blink::WebScopedMicrotaskSuppression suppression;
+  v8::MicrotasksScope microtasks(
+      element_resize_isolate_, v8::MicrotasksScope::kDoNotRunMicrotasks);
 
   callback->Call(context->Global(), argc, argv);
 }