[gin] Introduce Wrappable::GetObjectTemplate

content/renderer/stats_collection_controller.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/stats_collection_controller.h"
 
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/strings/string_util.h"
 #include "content/common/child_process_messages.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 "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 namespace content {
 
 namespace {
 
 bool CurrentRenderViewImpl(RenderViewImpl** out) {
   blink::WebFrame* web_frame = blink::WebFrame::frameForCurrentContext();
@@ skipping 43 matching lines @@
 }
 
 }  // namespace
 
 // static
 gin::WrapperInfo StatsCollectionController::kWrapperInfo = {
     gin::kEmbedderNativeGin
 };
 
 // static
+v8::Local<v8::ObjectTemplate> StatsCollectionController::GetObjectTemplate(
+    v8::Isolate* isolate) {
+  return gin::ObjectTemplateBuilder(isolate)
+      .SetMethod("getHistogram", &StatsCollectionController::GetHistogram)
+      .SetMethod("getBrowserHistogram",
+                 &StatsCollectionController::GetBrowserHistogram)
+      .SetMethod("tabLoadTiming", &StatsCollectionController::GetTabLoadTiming)
+      .Build();
+}
+
+// static
 void StatsCollectionController::Install(blink::WebFrame* frame) {
   v8::Isolate* isolate = blink::mainThreadIsolate();
   v8::HandleScope handle_scope(isolate);
   v8::Handle<v8::Context> context = frame->mainWorldScriptContext();
   if (context.IsEmpty())
     return;
 
   v8::Context::Scope context_scope(context);
 
-  gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
-  if (data->GetObjectTemplate(&StatsCollectionController::kWrapperInfo)
-          .IsEmpty()) {
-    v8::Handle<v8::ObjectTemplate> templ =
-        gin::ObjectTemplateBuilder(isolate)
-            .SetMethod("getHistogram", &StatsCollectionController::GetHistogram)
-            .SetMethod("getBrowserHistogram",
-                       &StatsCollectionController::GetBrowserHistogram)
-            .SetMethod("tabLoadTiming",
-                       &StatsCollectionController::GetTabLoadTiming)
-            .Build();
-    templ->SetInternalFieldCount(gin::kNumberOfInternalFields);
-    data->SetObjectTemplate(&StatsCollectionController::kWrapperInfo, templ);
-  }
-
   gin::Handle<StatsCollectionController> controller =
       gin::CreateHandle(isolate, new StatsCollectionController());
   v8::Handle<v8::Object> global = context->Global();
   global->Set(gin::StringToV8(isolate, "statsCollectionController"),
               controller.ToV8());
 }
 
 StatsCollectionController::StatsCollectionController() {}
 
 StatsCollectionController::~StatsCollectionController() {}
@@ skipping 40 matching lines @@
   }
 
   std::string tab_timing_json;
   ConvertLoadTimeToJSON(
       observer->load_start_time(), observer->load_stop_time(),
       &tab_timing_json);
   return tab_timing_json;
 }
 
 }  // namespace content