[Reland] Allow headless TabSocket in isolated worlds & remove obsolete logic

headless/BUILD.gn

Index: headless/BUILD.gn
diff --git a/headless/BUILD.gn b/headless/BUILD.gn
index d14d75181a86e01aafba61b91e41acef688b5571..b209354cc025d7b617d7f4994aa5e5945d95bf17 100644
--- a/headless/BUILD.gn
+++ b/headless/BUILD.gn
@@ -357,6 +357,7 @@ component("headless") {
       "lib/browser/headless_web_contents_impl.h",
       "lib/headless_content_main_delegate.cc",
       "lib/headless_content_main_delegate.h",
+      "lib/renderer/devtools_isolated_world_ids.h",
       "lib/renderer/headless_content_renderer_client.cc",
       "lib/renderer/headless_content_renderer_client.h",
     ]
@@ -364,6 +365,7 @@ component("headless") {
     deps += [
       "//components/crash/content/browser",
       "//components/security_state/content",
+      "//third_party/WebKit/public:blink",
     ]
 
     if (enable_basic_printing) {
@@ -413,10 +415,14 @@ if (!is_component_build) {
       "lib/browser/headless_web_contents_impl.h",
       "lib/headless_content_main_delegate.cc",
       "lib/headless_content_main_delegate.h",
+      "lib/renderer/devtools_isolated_world_ids.h",
       "lib/renderer/headless_content_renderer_client.cc",
       "lib/renderer/headless_content_renderer_client.h",
     ]
-    deps += [ "//ui/base" ]
+    deps += [
+      "//third_party/WebKit/public:blink",
+      "//ui/base",
+    ]
     if (enable_basic_printing) {
       deps += [ "//components/printing/renderer" ]
     }