Content Shell test_runner hooks for <audio> and <video> blocking.

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 c4c81a913c5dc29890b38067e5c2ca03a9c3712f..92ee2dcf3b7b8ad5f945532f2daf7eeaaaeb3676 100644
--- a/content/shell/renderer/test_runner/test_runner.cc
+++ b/content/shell/renderer/test_runner/test_runner.cc
@@ -211,6 +211,7 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
   void DumpResourceRequestCallbacks();
   void DumpResourceResponseMIMETypes();
   void SetImagesAllowed(bool allowed);
+  void SetMediaAllowed(bool allowed);
   void SetScriptsAllowed(bool allowed);
   void SetStorageAllowed(bool allowed);
   void SetPluginsAllowed(bool allowed);
@@ -429,6 +430,7 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
       .SetMethod("dumpResourceResponseMIMETypes",
                  &TestRunnerBindings::DumpResourceResponseMIMETypes)
       .SetMethod("setImagesAllowed", &TestRunnerBindings::SetImagesAllowed)
+      .SetMethod("setMediaAllowed", &TestRunnerBindings::SetMediaAllowed)
       .SetMethod("setScriptsAllowed", &TestRunnerBindings::SetScriptsAllowed)
       .SetMethod("setStorageAllowed", &TestRunnerBindings::SetStorageAllowed)
       .SetMethod("setPluginsAllowed", &TestRunnerBindings::SetPluginsAllowed)
@@ -1063,6 +1065,11 @@ void TestRunnerBindings::SetImagesAllowed(bool allowed) {
     runner_->SetImagesAllowed(allowed);
 }
 
+void TestRunnerBindings::SetMediaAllowed(bool allowed) {
+  if (runner_)
+    runner_->SetMediaAllowed(allowed);
+}
+
 void TestRunnerBindings::SetScriptsAllowed(bool allowed) {
   if (runner_)
     runner_->SetScriptsAllowed(allowed);
@@ -2499,6 +2506,10 @@ void TestRunner::SetImagesAllowed(bool allowed) {
   web_permissions_->setImagesAllowed(allowed);
 }
 
+void TestRunner::SetMediaAllowed(bool allowed) {
+  web_permissions_->setMediaAllowed(allowed);
+}
+
 void TestRunner::SetScriptsAllowed(bool allowed) {
   web_permissions_->setScriptsAllowed(allowed);
 }