Add GN targets for samples

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 4b5b1ef0bc6beefe644747a3c802a90494b7b640..4ca2b81adbaf43f116e8916fb704d1f556911a3c 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -2055,6 +2055,8 @@ group("gn_all") {
 
   deps = [
     ":d8",
+    ":v8_hello_world",
+    ":v8_sample_process",
     ":v8_simple_json_fuzzer",
     ":v8_simple_parser_fuzzer",
     ":v8_simple_regexp_fuzzer",
@@ -2143,6 +2145,54 @@ v8_isolate_run("d8") {
   isolate = "//src/d8.isolate"
 }
 
+v8_executable("v8_hello_world") {
+  sources = [
+    "samples/hello-world.cc",
+  ]
+
+  configs = [
+    # Note: don't use :internal_config here because this target will get
+    # the :external_config applied to it by virtue of depending on :v8, and
+    # you can't have both applied to the same target.
+    ":internal_config_base",
+  ]
+
+  deps = [
+    ":v8",
+    ":v8_libplatform",
+    "//build/config/sanitizers:deps",

[Michael Achenbach, 2016/06/22 13:09:53]

I lost a bit track about why we need the sanitizers:deps everywhere...

+    "//build/win:default_exe_manifest",
+  ]
+
+  if (v8_enable_i18n_support) {
+    deps += [ "//third_party/icu" ]
+  }
+}
+
+v8_executable("v8_sample_process") {
+  sources = [
+    "samples/process.cc",
+  ]
+
+  configs = [
+    # Note: don't use :internal_config here because this target will get
+    # the :external_config applied to it by virtue of depending on :v8, and
+    # you can't have both applied to the same target.
+    ":internal_config_base",
+  ]
+
+  deps = [
+    ":v8",
+    ":v8_libplatform",
+    "//build/config/sanitizers:deps",
+    "//build/win:default_exe_manifest",
+  ]
+
+  if (v8_enable_i18n_support) {
+    deps += [ "//third_party/icu" ]
+  }
+}
+
 if (want_v8_shell) {
   v8_executable("v8_shell") {
     sources = [