DevTools: merge devtools target with devtools host, part 1

headless/lib/browser/headless_devtools_manager_delegate.cc

Index: headless/lib/browser/headless_devtools_manager_delegate.cc
diff --git a/headless/lib/browser/headless_devtools_manager_delegate.cc b/headless/lib/browser/headless_devtools_manager_delegate.cc
index 338c5cc90a347642182641d6acfce2c78a9bd202..b7ab3ed024facc653d35101939dcd90ced4f17e1 100644
--- a/headless/lib/browser/headless_devtools_manager_delegate.cc
+++ b/headless/lib/browser/headless_devtools_manager_delegate.cc
@@ -61,6 +61,11 @@ base::DictionaryValue* HeadlessDevToolsManagerDelegate::HandleCommand(
   return result.release();
 }
 
+std::string HeadlessDevToolsManagerDelegate::GetTargetType(
+    contents::RenderFrameHost* host) {
+  return DevToolsAgentHost::kTypePage;
+}
+
 std::unique_ptr<base::Value> HeadlessDevToolsManagerDelegate::CreateTarget(
     const base::DictionaryValue* params) {
   std::string url;