Revert of 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 ff8ff62ced8752defe0a63cd6cd9aa05943d84e3..338c5cc90a347642182641d6acfce2c78a9bd202 100644
--- a/headless/lib/browser/headless_devtools_manager_delegate.cc
+++ b/headless/lib/browser/headless_devtools_manager_delegate.cc
@@ -59,16 +59,6 @@
   result->SetInteger("id", id);
   result->Set("result", std::move(cmd_result));
   return result.release();
-}
-
-std::string HeadlessDevToolsManagerDelegate::GetTargetType(
-    contents::RenderFrameHost* host) {
-  return DevToolsAgentHost::kTypePage;
-}
-
-std::string HeadlessDevToolsManagerDelegate::GetTargetTitle(
-    contents::RenderFrameHost* host) {
-  return "";
 }
 
 std::unique_ptr<base::Value> HeadlessDevToolsManagerDelegate::CreateTarget(