[Mac/GN] Get //ppapi tests and examples working.

build/config/mac/rules.gni

Index: build/config/mac/rules.gni
diff --git a/build/config/mac/rules.gni b/build/config/mac/rules.gni
index f0c2c5d210d6eb46a93041aac2fff61e984bc804..b6b70c1bec16098135d82abab320c61ac97e5bbc 100644
--- a/build/config/mac/rules.gni
+++ b/build/config/mac/rules.gni
@@ -428,6 +428,11 @@ template("mac_plugin_bundle") {
   _loadable_module_target = _target_name + "_loadable_module"
   _loadable_module_bundle_data = _loadable_module_target + "_bundle_data"
 
+  _output_name = _target_name
+  if (defined(invoker.output_name)) {
+    _output_name = invoker.output_name
+  }
+
   loadable_module(_loadable_module_target) {
     visibility = [ ":$_loadable_module_bundle_data" ]
     forward_variables_from(invoker,
@@ -438,15 +443,18 @@ template("mac_plugin_bundle") {
                              "output_name",
                              "visibility",
                            ])
+    output_dir = "$target_out_dir"
+    output_name = _output_name
   }
 
   bundle_data(_loadable_module_bundle_data) {
+    forward_variables_from(invoker, [ "testonly" ])
     visibility = [ ":$_target_name" ]
     sources = [
-      "$root_out_dir/${_loadable_module_target}.so",
+      "$target_out_dir/${_output_name}.so",
     ]
     outputs = [
-      "{{bundle_executable_dir}}/$_target_name",
+      "{{bundle_executable_dir}}/$_output_name",
     ]
     public_deps = [
       ":$_loadable_module_target",
@@ -467,7 +475,7 @@ template("mac_plugin_bundle") {
     }
     deps += [ ":$_loadable_module_bundle_data" ]
 
-    bundle_root_dir = "$root_out_dir/$_target_name.plugin/Contents"
+    bundle_root_dir = "$root_out_dir/$_output_name.plugin/Contents"
     bundle_executable_dir = "$bundle_root_dir/MacOS"
   }
 }