Modify headless_renderer target to avoid empty static_library in non windows component builds

headless/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/util/process_version.gni")
 import("//headless/headless.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//printing/features/features.gni")
 import("//testing/test.gni")
@@ skipping 383 matching lines @@
     deps += [ "//ui/ozone" ]
   }
 
   if (headless_fontconfig_utils) {
     deps += [ ":headless_fontconfig_utils" ]
   }
 
   configs += [ ":headless_implementation" ]
 }
 
-# Headless renderer is a convenience library that includes headless classes
-# that depend on the renderer. These are not added in case of a component build
-# since in that case they are already included in the headless component.
-static_library("headless_renderer") {
-  deps = [
-    ":headless",
-  ]
-  if (!is_component_build) {
+# Headless renderer is a convenience library for non component builds that
+# includes headless classes that depend on the renderer.
+if (!is_component_build) {
+  static_library("headless_renderer") {
+    deps = [
+      ":headless",
+    ]
     sources = [
       "lib/browser/headless_web_contents_impl.cc",
       "lib/browser/headless_web_contents_impl.h",
       "lib/headless_content_main_delegate.cc",
       "lib/headless_content_main_delegate.h",
       "lib/renderer/headless_content_renderer_client.cc",
       "lib/renderer/headless_content_renderer_client.h",
     ]
     deps += [ "//ui/base" ]
     if (enable_basic_printing) {
       deps += [ "//components/printing/renderer" ]
     }
     configs += [ ":headless_implementation" ]
   }
+} else {
+  # For component builds all dependencies are already included in the headless
+  # component.
+  group("headless_renderer") {
+    deps = [
+      ":headless",
+    ]
+  }
 }
 
 group("headless_tests") {
   testonly = true
 
   deps = [
     ":headless_browsertests",
     ":headless_example",
     ":headless_unittests",
   ]
 }
 
 test("headless_unittests") {
   sources = [
     "public/domains/types_unittest.cc",
     "public/util/deterministic_dispatcher_test.cc",
     "public/util/error_reporter_unittest.cc",
     "public/util/expedited_dispatcher_test.cc",
     "public/util/generic_url_request_job_test.cc",
     "public/util/testing/fake_managed_dispatch_url_request_job.cc",
     "public/util/testing/fake_managed_dispatch_url_request_job.h",
   ]
 
-  if (is_component_build) {
-    deps = [
-      ":headless",
-    ]
-  } else {
+  if (!is_component_build) {
     sources += [
       "lib/browser/headless_content_browser_client.cc",
       "lib/browser/headless_content_browser_client.h",
     ]
-
-    deps = [
-      ":headless_renderer",
-    ]
   }
 
-  deps += [
+  deps = [
+    ":headless_renderer",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//components/crash/content/browser",
     "//components/security_state/content",
     "//content/public/app:both",
     "//content/public/child:child",
     "//content/public/common",
     "//testing/gmock",
     "//testing/gtest",
   ]
@@ skipping 47 matching lines @@
     "//third_party/tlslite/",
     "test/data/",
   ]
 
   if (is_mac) {
     data += [ "$root_out_dir/Helpers/crashpad_handler" ]
   }
 
   defines = [ "HAS_OUT_OF_PROC_TEST_RUNNER" ]
 
-  if (is_component_build) {
-    deps = [
-      ":headless",
-    ]
-  } else {
+  if (!is_component_build) {
     sources += [
       "lib/browser/headless_content_browser_client.cc",
       "lib/browser/headless_content_browser_client.h",
     ]
-
-    deps = [
-      ":headless_renderer",
-    ]
   }
 
-  deps += [
+  deps = [
+    ":headless_renderer",
     "//base",
     "//components/crash/content/browser",
     "//components/security_state/content",
     "//content/test:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 
   if (enable_basic_printing) {
     deps += [
@@ skipping 86 matching lines @@
     "app/headless_shell.h",
     "app/headless_shell_switches.cc",
     "app/headless_shell_switches.h",
     "app/shell_navigation_request.cc",
     "app/shell_navigation_request.h",
     "lib/browser/headless_content_browser_client.cc",
     "lib/browser/headless_content_browser_client.h",
     "public/headless_shell.h",
   ]
 
-  if (is_component_build) {
-    deps = [
-      ":headless",
-    ]
-  } else {
-    deps = [
-      ":headless_renderer",
-    ]
-  }
-
-  deps += [
+  deps = [
+    ":headless_renderer",
     "//components/crash/content/browser",
     "//components/security_state/content",
     "//content/public/app:both",
     "//content/public/browser",
     "//content/public/child:child",
     "//content/public/common",
   ]
 
   if (enable_basic_printing) {
     deps += [
@@ skipping 38 matching lines @@
 
 executable("headless_example") {
   sources = [
     "app/headless_example.cc",
   ]
 
   deps = [
     ":headless_shell_lib",
   ]
 }