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

BUG=431177

Review URL: https://codereview.chromium.org/1903623002

Cr-Commit-Position: refs/heads/master@{#388372}

build/config/mac/rules.gni

@@ -379,6 +379,11 @@ 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 = [ ":$_loadable_module_bundle_data" ]
     forward_variables_from(invoker,
@@ -389,15 +394,18 @@ template("mac_plugin_bundle") {
                              "output_name",
                              "visibility",
                            ])
+    output_dir = "$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",
@@ -418,7 +426,7 @@ 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"
   }
 }

ppapi/BUILD.gn

@@ -42,7 +42,7 @@ import("//build/config/nacl/rules.gni")
 import("//ppapi/ppapi_sources.gni")
 import("//testing/test.gni")
 
-shared_library("ppapi_tests") {
+source_set("ppapi_tests_sources") {
   sources = ppapi_sources.test_common_source_files +
             ppapi_sources.test_trusted_source_files
 
@@ -63,7 +63,21 @@ shared_library("ppapi_tests") {
   ]
 }
 
-shared_library("power_saver_test_plugin") {
+if (!is_mac) {
+  shared_library("ppapi_tests") {
+    deps = [
+      ":ppapi_tests_sources",
+    ]
+  }
+} else {
+  mac_plugin_bundle("ppapi_tests") {
+    deps = [
+      ":ppapi_tests_sources",
+    ]
+  }
+}
+
+source_set("power_saver_test_plugin_sources") {
   sources = [
     "tests/power_saver_test_plugin.cc",
     "tests/test_utils.cc",
@@ -76,6 +90,20 @@ shared_library("power_saver_test_plugin") {
   ]
 }
 
+if (!is_mac) {
+  shared_library("power_saver_test_plugin") {
+    deps = [
+      ":power_saver_test_plugin_sources",
+    ]
+  }
+} else {
+  mac_plugin_bundle("power_saver_test_plugin") {
+    deps = [
+      ":power_saver_test_plugin_sources",
+    ]
+  }
+}
+
 source_set("blink_deprecated_test_plugin_sources") {
   sources = [
     "tests/blink_deprecated_test_plugin.cc",

ppapi/examples/ppapi_example.gni

@@ -2,21 +2,35 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+if (is_mac) {
+  import("//build/config/mac/rules.gni")
+}
+
 # Declares a PPAPI example target of the correct type for the current platform
 # and with the right linker flags.
 template("ppapi_example") {
-  # TODO(GYP) on Mac this should be loadable_module.
-  shared_library(target_name) {
-    testonly = true
-    if (defined(invoker.output_name)) {
-      output_name = invoker.output_name
+  if (!is_mac) {
+    shared_library(target_name) {
+      testonly = true
+
+      if (defined(invoker.output_name)) {
+        output_name = invoker.output_name
+      }
+
+      sources = invoker.sources
+      deps = invoker.deps
     }
-    sources = invoker.sources
-    deps = invoker.deps
+  } else {
+    mac_plugin_bundle(target_name) {
+      testonly = true
+
+      if (defined(invoker.output_name)) {
+        output_name = invoker.output_name
+      }
+
+      sources = invoker.sources
+      deps = invoker.deps
 
-    if (is_mac) {
-      # TODO(GYP) this should be a mac bundle
-      output_extension = "plugin"
       ldflags = [
         # Not to strip important symbols by -Wl,-dead_strip.
         "-Wl,-exported_symbol,_PPP_GetInterface",