[content shell] don't require a user action for focus/blur events during layout tests

content/test/layouttest_support.cc

Index: content/test/layouttest_support.cc
diff --git a/content/test/layouttest_support.cc b/content/test/layouttest_support.cc
index a0d77b6ecbd0443d02b995e263b07aeb92ec65d2..7583c97fd0ee9052201fcffdedf3249e37b93ae5 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -7,6 +7,7 @@
 #include "base/callback.h"
 #include "base/lazy_instance.h"
 #include "content/renderer/devtools/devtools_client.h"
+#include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 #include "content/renderer/renderer_webkitplatformsupport_impl.h"
@@ -61,4 +62,8 @@ int GetLocalSessionHistoryLength(RenderView* render_view) {
       ->GetLocalSessionHistoryLengthForTesting();
 }
 
+void DoNotRequireUserGestureForFocusChanges() {
+  RenderThreadImpl::current()->set_require_user_gesture_for_focus(false);
+}
+
 }  // namespace content