Add commands to manage tabs and contexts to Browser Domain

headless/lib/browser/headless_content_browser_client.cc

Index: headless/lib/browser/headless_content_browser_client.cc
diff --git a/headless/lib/browser/headless_content_browser_client.cc b/headless/lib/browser/headless_content_browser_client.cc
index a56a1fef4d91aa63a487dc0baae69e07ac8b2aa1..23ddee0d580d82b1e46cd70a0a8d56cc652c9916 100644
--- a/headless/lib/browser/headless_content_browser_client.cc
+++ b/headless/lib/browser/headless_content_browser_client.cc
@@ -10,6 +10,7 @@
 #include "content/public/browser/browser_thread.h"
 #include "headless/lib/browser/headless_browser_impl.h"
 #include "headless/lib/browser/headless_browser_main_parts.h"
+#include "headless/lib/browser/headless_devtools_manager_delegate.h"
 
 namespace headless {
 
@@ -27,4 +28,9 @@ content::BrowserMainParts* HeadlessContentBrowserClient::CreateBrowserMainParts(
   return browser_main_parts.release();
 }
 
+content::DevToolsManagerDelegate*
+HeadlessContentBrowserClient::GetDevToolsManagerDelegate() {
+  return new HeadlessDevToolsManagerDelegate(browser_);
+}
+
 }  // namespace headless