Implementation of TestRunner::Sleep

content/shell/renderer/test_runner/test_runner.cc

Index: content/shell/renderer/test_runner/test_runner.cc
diff --git a/content/shell/renderer/test_runner/test_runner.cc b/content/shell/renderer/test_runner/test_runner.cc
index 869cc81368207e5c1e7623a8486ac436b8184bc0..a599a6016a93f56235e47a028f64b5bcb8381909 100644
--- a/content/shell/renderer/test_runner/test_runner.cc
+++ b/content/shell/renderer/test_runner/test_runner.cc
@@ -7,6 +7,7 @@
 #include <limits>
 
 #include "base/logging.h"
+#include "base/run_loop.h"
 #include "content/public/test/layouttest_support.h"
 #include "content/shell/common/test_runner/test_preferences.h"
 #include "content/shell/renderer/binding_helpers.h"
@@ -305,6 +306,7 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
   int WebHistoryItemCount();
   bool InterceptPostMessage();
   void SetInterceptPostMessage(bool value);
+  void Sleep(int milliseconds);
 
   void NotImplemented(const gin::Arguments& args);
 
@@ -460,6 +462,7 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
                  &TestRunnerBindings::DumpResourceRequestCallbacks)
       .SetMethod("dumpResourceResponseMIMETypes",
                  &TestRunnerBindings::DumpResourceResponseMIMETypes)
+      .SetMethod("sleep", &TestRunnerBindings::Sleep)
       .SetMethod("setImagesAllowed", &TestRunnerBindings::SetImagesAllowed)
       .SetMethod("setMediaAllowed", &TestRunnerBindings::SetMediaAllowed)
       .SetMethod("setScriptsAllowed", &TestRunnerBindings::SetScriptsAllowed)
@@ -1116,6 +1119,11 @@ void TestRunnerBindings::DumpResourceResponseMIMETypes() {
     runner_->DumpResourceResponseMIMETypes();
 }
 
+void TestRunnerBindings::Sleep(int milliseconds) {
+  if (runner_)
+    runner_->Sleep(milliseconds);
+}
+
 void TestRunnerBindings::SetImagesAllowed(bool allowed) {
   if (runner_)
     runner_->SetImagesAllowed(allowed);
@@ -2617,6 +2625,19 @@ void TestRunner::DumpResourceResponseMIMETypes() {
   dump_resource_reqponse_mime_types_ = true;
 }
 
+void TestRunner::Sleep(int milliseconds) {
+  web_view_->setDefersLoading(true);
+
+  base::MessageLoop* ml = base::MessageLoop::current();
+  base::MessageLoop::ScopedNestableTaskAllower allow_nested_tasks(ml);
+  base::RunLoop run_loop;
+  ml->PostDelayedTask(FROM_HERE, run_loop.QuitClosure(),
+                      base::TimeDelta::FromMilliseconds(milliseconds));
+  run_loop.Run();
+
+  web_view_->setDefersLoading(false);
+}
+
 void TestRunner::SetImagesAllowed(bool allowed) {
   web_permissions_->SetImagesAllowed(allowed);
 }