Make tab capture media stream requests verify that the request came from extension API

chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc

Index: chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc
diff --git a/chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc b/chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc
index 459fd327ad1750afb17ced450afdaba073d4a6fe..b1208050c5ad5c345a9988f7211e2a9df683de9c 100644
--- a/chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc
+++ b/chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc
@@ -34,4 +34,10 @@ IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, TabCapture) {
   ASSERT_TRUE(RunExtensionTest("tab_capture/experimental")) << message_;
 }
 
+IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, TabCapturePermissionsTest) {
+  extensions::FeatureSwitch::ScopedOverride tab_capture(
+      extensions::FeatureSwitch::tab_capture(), true);
+  ASSERT_TRUE(RunExtensionTest("tab_capture/permissions")) << message_;
+}
+
 }  // namespace chrome