[gin] Introduce Wrappable::GetObjectTemplate

content/renderer/gin_browsertest.cc

Index: content/renderer/gin_browsertest.cc
diff --git a/content/renderer/gin_browsertest.cc b/content/renderer/gin_browsertest.cc
index 3f69fbb8ab8a558384a7acd26b53dffe4385ac34..df30546ab88091545fcb39f52456c5f89d47bee0 100644
--- a/content/renderer/gin_browsertest.cc
+++ b/content/renderer/gin_browsertest.cc
@@ -7,6 +7,7 @@
 #include "content/public/test/render_view_test.h"
 #include "content/renderer/render_view_impl.h"
 #include "gin/handle.h"
+#include "gin/object_template_builder.h"
 #include "gin/per_isolate_data.h"
 #include "gin/wrappable.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -27,6 +28,11 @@ class TestGinObject : public gin::Wrappable<TestGinObject> {
   }
 
  private:
+  friend class gin::Wrappable<TestGinObject>;
+  static v8::Local<v8::ObjectTemplate> GetObjectTemplate(v8::Isolate* isolate) {
+    return gin::ObjectTemplateBuilder(isolate).Build();
+  }
+
   TestGinObject(bool* alive) : alive_(alive) { *alive_ = true; }
   virtual ~TestGinObject() { *alive_ = false; }
 
@@ -37,14 +43,6 @@ class TestGinObject : public gin::Wrappable<TestGinObject> {
 
 gin::WrapperInfo TestGinObject::kWrapperInfo = { gin::kEmbedderNativeGin };
 
-void RegisterTemplates(v8::Isolate* isolate) {
-  gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
-
-  v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New(isolate);
-  templ->SetInternalFieldCount(gin::kNumberOfInternalFields);
-  data->SetObjectTemplate(&TestGinObject::kWrapperInfo, templ);
-}
-
 class GinBrowserTest : public RenderViewTest {
  public:
   GinBrowserTest() {}
@@ -75,8 +73,6 @@ TEST_F(GinBrowserTest, GinAndGarbageCollection) {
     v8::Context::Scope context_scope(
         view_->GetWebView()->mainFrame()->mainWorldScriptContext());
 
-    RegisterTemplates(isolate);
-
     // We create the object inside a scope so it's not kept alive by a handle
     // on the stack.
     TestGinObject::Create(isolate, &alive);