headless: Move hidden commands and events to experimental domains

headless/lib/headless_devtools_client_browsertest.cc

Index: headless/lib/headless_devtools_client_browsertest.cc
diff --git a/headless/lib/headless_devtools_client_browsertest.cc b/headless/lib/headless_devtools_client_browsertest.cc
index f068456109ca8b31d55773094fa20da98056478b..76033f5af3227979782a6da489952e5e3b3b29c8 100644
--- a/headless/lib/headless_devtools_client_browsertest.cc
+++ b/headless/lib/headless_devtools_client_browsertest.cc
@@ -119,11 +119,11 @@ class HeadlessDevToolsClientCallbackTest : public HeadlessDevToolsClientTest {
 
   void RunDevToolsClientTest() override {
     // Null callback without parameters.
-    devtools_client_->GetRuntime()->Run();
+    devtools_client_->GetRuntime()->GetExperimental()->Run();
     // Null callback with parameters.
     devtools_client_->GetRuntime()->Evaluate("true");
     // Non-null callback without parameters.
-    devtools_client_->GetRuntime()->Disable(
+    devtools_client_->GetRuntime()->GetExperimental()->Disable(
         base::Bind(&HeadlessDevToolsClientCallbackTest::OnFirstResult,
                    base::Unretained(this)));
     // Non-null callback with parameters.
@@ -182,4 +182,24 @@ class HeadlessDevToolsClientObserverTest : public HeadlessDevToolsClientTest,
 
 DEVTOOLS_CLIENT_TEST_F(HeadlessDevToolsClientObserverTest);
 
+class HeadlessDevToolsClientExperimentalTest
+    : public HeadlessDevToolsClientTest,
+      page::ExperimentalObserver {
+ public:
+  void RunDevToolsClientTest() override {
+    EXPECT_TRUE(embedded_test_server()->Start());
+    devtools_client_->GetPage()->GetExperimental()->AddObserver(this);
+    devtools_client_->GetPage()->Enable();
+    devtools_client_->GetPage()->Navigate(
+        embedded_test_server()->GetURL("/hello.html").spec());
+  }
+
+  void OnFrameStoppedLoading(
+      const page::FrameStoppedLoadingParams& params) override {
+    FinishAsynchronousTest();
+  }
+};
+
+DEVTOOLS_CLIENT_TEST_F(HeadlessDevToolsClientExperimentalTest);
+
 }  // namespace headless