Add commands to manage tabs and contexts to Browser Domain

headless/lib/browser/headless_devtools_client_impl.cc

Index: headless/lib/browser/headless_devtools_client_impl.cc
diff --git a/headless/lib/browser/headless_devtools_client_impl.cc b/headless/lib/browser/headless_devtools_client_impl.cc
index 41aa4fc69940fe7a4aff31b8aa66d28d81b811fa..a00aa7eadb52d151651ac094bda6d061075d307c 100644
--- a/headless/lib/browser/headless_devtools_client_impl.cc
+++ b/headless/lib/browser/headless_devtools_client_impl.cc
@@ -33,6 +33,7 @@ HeadlessDevToolsClientImpl::HeadlessDevToolsClientImpl()
       accessibility_domain_(this),
       animation_domain_(this),
       application_cache_domain_(this),
+      browser_domain_(this),
       cache_storage_domain_(this),
       console_domain_(this),
       css_domain_(this),
@@ -158,6 +159,10 @@ application_cache::Domain* HeadlessDevToolsClientImpl::GetApplicationCache() {
   return &application_cache_domain_;
 }
 
+browser::Domain* HeadlessDevToolsClientImpl::GetBrowser() {
+  return &browser_domain_;
+}
+
 cache_storage::Domain* HeadlessDevToolsClientImpl::GetCacheStorage() {
   return &cache_storage_domain_;
 }