Address comments on 88686a82ed8f1037bba3deacdd679fb8e717f2f6 Add a comment on BUILD files that create a seemingly redundant library. The comment: "Library that allows to include the service code directly into the embedding shell. Used by https://manganese.googlesource.com/" BUG= R=viettrungluu@chromium.org Review URL: https://codereview.chromium.org/1991273002 .

diff --git a/services/authenticating_url_loader_interceptor/BUILD.gn b/services/authenticating_url_loader_interceptor/BUILD.gn
index 4306c70..7506027 100644
--- a/services/authenticating_url_loader_interceptor/BUILD.gn
+++ b/services/authenticating_url_loader_interceptor/BUILD.gn

@@ -17,6 +17,8 @@
   ]
 }
 
+# Library that allows the service code to be included directly into the
+# embedding shell. Used by https://manganese.googlesource.com/.
 source_set("lib") {
   sources = [
     "authenticating_url_loader_interceptor.cc",

diff --git a/services/files/BUILD.gn b/services/files/BUILD.gn
index d804042..c4e2d12 100644
--- a/services/files/BUILD.gn
+++ b/services/files/BUILD.gn

@@ -15,6 +15,8 @@
   ]
 }
 
+# Library that allows the service code to be included directly into the
+# embedding shell. Used by https://manganese.googlesource.com/.
 source_set("lib") {
   sources = [
     "directory_impl.cc",

diff --git a/services/icu_data/BUILD.gn b/services/icu_data/BUILD.gn
index 9e29c2c..a343d34 100644
--- a/services/icu_data/BUILD.gn
+++ b/services/icu_data/BUILD.gn

@@ -27,6 +27,8 @@
   ]
 }
 
+# Library that allows the service code to be included directly into the
+# embedding shell. Used by https://manganese.googlesource.com/.
 source_set("lib") {
   sources = [
     "icu_data_impl.cc",

diff --git a/services/tracing/BUILD.gn b/services/tracing/BUILD.gn
index 346db9d..229a77b 100644
--- a/services/tracing/BUILD.gn
+++ b/services/tracing/BUILD.gn

@@ -16,6 +16,8 @@
   ]
 }
 
+# Library that allows the service code to be included directly into the
+# embedding shell. Used by https://manganese.googlesource.com/.
 source_set("lib") {
   sources = [
     "trace_data_sink.cc",

diff --git a/services/ui/input_manager/BUILD.gn b/services/ui/input_manager/BUILD.gn
index a9bc0f8..22c7f9c 100644
--- a/services/ui/input_manager/BUILD.gn
+++ b/services/ui/input_manager/BUILD.gn

@@ -18,6 +18,8 @@
   ]
 }
 
+# Library that allows the service code to be included directly into the
+# embedding shell. Used by https://manganese.googlesource.com/.
 source_set("lib") {
   sources = [
     "input_associate.cc",

diff --git a/services/ui/launcher/BUILD.gn b/services/ui/launcher/BUILD.gn
index 3ea007b..289104e 100644
--- a/services/ui/launcher/BUILD.gn
+++ b/services/ui/launcher/BUILD.gn

@@ -17,6 +17,8 @@
   ]
 }
 
+# Library that allows the service code to be included directly into the
+# embedding shell. Used by https://manganese.googlesource.com/.
 source_set("lib") {
   sources = [
     "launch_instance.cc",