third_party/protobuf: Update to HEAD (83d681ee2c)

components/policy/BUILD.gn

Index: components/policy/BUILD.gn
diff --git a/components/policy/BUILD.gn b/components/policy/BUILD.gn
index bf7ceca0df574078cdf66dadacc47c33013ecf53..696c816333e16542ca3c660f8ce4dc6437e3a358 100644
--- a/components/policy/BUILD.gn
+++ b/components/policy/BUILD.gn
@@ -192,7 +192,10 @@ component("cloud_policy_proto_generated_compile") {
   ]
 }
 proto_library("cloud_policy_proto_generated_compile_proto") {
-  visibility = [ ":cloud_policy_proto_generated_compile" ]
+  visibility = [
+    ":cloud_policy_proto_generated_compile",
+    ":chrome_settings_proto_generated_compile",
+  ]
   sources = [
     cloud_policy_proto_path,
   ]
@@ -209,16 +212,28 @@ proto_library("cloud_policy_proto_generated_compile_proto") {
 }
 
 # This target builds the "full" protobuf, used for tests only.
-proto_library("chrome_settings_proto") {
+component("chrome_settings_proto_generated_compile") {
+  testonly = true
+  public_deps = [
+    ":chrome_settings_proto_generated_compile_proto",
+    ":cloud_policy_proto_generated_compile_proto",
+  ]
+}
+proto_library("chrome_settings_proto_generated_compile_proto") {
   testonly = true
+  visibility = [ ":chrome_settings_proto_generated_compile" ]
   sources = [
     chrome_settings_proto_path,
   ]
+
   proto_out_dir = "components/policy/proto"
+  cc_generator_options = "dllexport_decl=POLICY_PROTO_EXPORT:"
+  cc_include = "components/policy/proto/policy_proto_export.h"
+  component_build_force_source_set = true
+  defines = [ "POLICY_PROTO_COMPILATION" ]
 
   deps = [
     ":cloud_policy_code_generate",
-    ":cloud_policy_proto_generated_compile",
   ]
 }