Revert of Allow Chrome to bind an Application request from mojo_runner.

mojo/runner/BUILD.gn

Index: mojo/runner/BUILD.gn
diff --git a/mojo/runner/BUILD.gn b/mojo/runner/BUILD.gn
index cc0f1664814e633216bc4cc001c3b747835a6eaa..6dd9642401a1c844eab46ae42627984e3551b4ed 100644
--- a/mojo/runner/BUILD.gn
+++ b/mojo/runner/BUILD.gn
@@ -6,6 +6,10 @@
 import("//mojo/public/mojo_application.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
+
+# We don't support building in the component build since mojo apps are
+# inherently components.
+assert(!is_component_build)
 
 group("runner") {
   testonly = true
@@ -162,12 +166,10 @@
     ":switches",
   ]
 
-  if (!is_component_build) {
-    data_deps = [
-      "//components/devtools_service",
-      "//mojo/services/tracing",
-    ]
-  }
+  data_deps = [
+    "//components/devtools_service",
+    "//mojo/services/tracing",
+  ]
 
   if (is_android) {
     sources += [