Add IPC benchmarking API to Blink TestRunner

content/shell/renderer/binding_helpers.h

+// Copyright 2014 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.
+
+#ifndef CONTENT_SHELL_BINDING_HELPERS_H_
+#define CONTENT_SHELL_BINDING_HELPERS_H_
+
+#include <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "gin/handle.h"
+#include "gin/wrappable.h"
+#include "third_party/WebKit/public/web/WebFrame.h"
+#include "third_party/WebKit/public/web/WebKit.h"
+
+namespace content {
+
+template<class WrappedClass>
+void InstallAsWindowProperties(WrappedClass* wrapped,
+                               blink::WebFrame* frame,
+                               const std::vector<std::string>& names) {
+  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::Handle<WrappedClass> bindings = gin::CreateHandle(isolate, wrapped);
+  if (bindings.IsEmpty())
+    return;
+  v8::Handle<v8::Object> global = context->Global();
+  v8::Handle<v8::Value> v8_bindings = bindings.ToV8();
+  for (size_t i = 0; i < names.size(); ++i)
+    global->Set(gin::StringToV8(isolate, names[i].c_str()), v8_bindings);
+}
+
+}  // namespace content
+
+#endif  // CONTENT_SHELL_BINDING_HELPERS_DISPATCHER_H_