Revert of Build services as standalone executables

services/ui/BUILD.gn

Index: services/ui/BUILD.gn
diff --git a/services/ui/BUILD.gn b/services/ui/BUILD.gn
index f8d88227ac86e4d7227d4d4ada39448cd63f8a8d..416f4750287eaead64fac46798ca1dcf1cb30c93 100644
--- a/services/ui/BUILD.gn
+++ b/services/ui/BUILD.gn
@@ -24,7 +24,6 @@
   ]
 
   deps = [
-    ":copy_gl_libraries",
     ":lib",
     ":resources_100",
     ":resources_200",
@@ -33,8 +32,11 @@
     "//services/tracing/public/interfaces",
   ]
 
+  if (is_win) {
+    deps += [ ":copy_gl_libraries" ]
+  }
+
   data_deps = [
-    ":copy_gl_libraries",
     ":manifest",
     "//services/ui/ime/test_ime_driver",
   ]
@@ -51,13 +53,9 @@
   source = "manifest.json"
 }
 
-copy("copy_gl_libraries") {
-  deps = [
-    "//third_party/mesa:osmesa",
-  ]
-
-  if (is_win) {
-    deps += [
+if (is_win) {
+  copy("copy_gl_libraries") {
+    deps = [
       "//third_party/angle:libEGL",
       "//third_party/angle:libGLESv2",
     ]
@@ -65,19 +63,12 @@
     sources = [
       "$root_shlib_dir/libEGL.dll",
       "$root_shlib_dir/libGLESv2.dll",
-      "$root_shlib_dir/osmesa.dll",
     ]
-  } else if (is_android || is_linux) {
-    sources = [
-      "$root_shlib_dir/libosmesa.so",
+
+    outputs = [
+      "$root_out_dir/$packages_directory/ui/{{source_file_part}}",
     ]
-  } else {
-    sources = []
   }
-
-  outputs = [
-    "$root_out_dir/$packages_directory/ui/{{source_file_part}}",
-  ]
 }
 
 source_set("lib") {