Fix missing library for crasphad_handler in Mac component build

headless/BUILD.gn

Index: headless/BUILD.gn
diff --git a/headless/BUILD.gn b/headless/BUILD.gn
index c5de06f92ad9688cce9ca7c3b088d4a1181eb447..92f2f6b23694d31b8bbaf574dfbb675793170a5e 100644
--- a/headless/BUILD.gn
+++ b/headless/BUILD.gn
@@ -489,7 +489,12 @@ if (is_mac) {
       "$root_out_dir/crashpad_handler",
     ]
 
+    if (is_component_build) {
+      sources += [ "$root_out_dir/libbase.dylib" ]
+    }
+
     deps = [
+      "//base",
       "//third_party/crashpad/crashpad/handler:crashpad_handler",
     ]
 
@@ -528,7 +533,7 @@ test("headless_browsertests") {
   ]
 
   if (is_mac) {
-    data += [ "$root_out_dir/Helpers/crashpad_handler" ]
+    data_deps = [ ":mac_helpers" ]
   }
 
   defines = [ "HAS_OUT_OF_PROC_TEST_RUNNER" ]