Make GetOrCreateChromeObject public.

BUG=523554

Review URL: https://codereview.chromium.org/1458283002

Cr-Commit-Position: refs/heads/master@{#362597}

3 files changed, 51 insertions, 0 deletions

diff --git a/content/public/renderer/DEPS b/content/public/renderer/DEPS
index 2cfaa2e..0e936af 100644
--- a/content/public/renderer/DEPS
+++ b/content/public/renderer/DEPS
@@ -4,6 +4,7 @@ include_rules = [
   "+media/base",
   "+media/renderers",
   "+media/video",
+  "+gin",
   "+v8/include/v8.h",
 ]
 
diff --git a/content/public/renderer/chrome_object_extensions_utils.cc b/content/public/renderer/chrome_object_extensions_utils.cc
new file mode 100644
index 0000000..c2d0dc3
--- /dev/null
+++ b/content/public/renderer/chrome_object_extensions_utils.cc
@@ -0,0 +1,26 @@
+// Copyright (c) 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.
+
+#include "content/public/renderer/chrome_object_extensions_utils.h"
+
+#include "gin/converter.h"
+#include "v8/include/v8.h"
+
+namespace content {
+
+v8::Local<v8::Object> GetOrCreateChromeObject(v8::Isolate* isolate,
+                                              v8::Local<v8::Object> global) {
+  v8::Local<v8::Object> chrome;
+  v8::Local<v8::Value> chrome_value =
+      global->Get(gin::StringToV8(isolate, "chrome"));
+  if (chrome_value.IsEmpty() || !chrome_value->IsObject()) {
+    chrome = v8::Object::New(isolate);
+    global->Set(gin::StringToSymbol(isolate, "chrome"), chrome);
+  } else {
+    chrome = v8::Local<v8::Object>::Cast(chrome_value);
+  }
+  return chrome;
+}
+
+}  // namespace content
diff --git a/content/public/renderer/chrome_object_extensions_utils.h b/content/public/renderer/chrome_object_extensions_utils.h
new file mode 100644
index 0000000..edb6d25
--- /dev/null
+++ b/content/public/renderer/chrome_object_extensions_utils.h
@@ -0,0 +1,24 @@
+// Copyright (c) 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_PUBLIC_RENDERER_CHROME_OBJECT_EXTENSIONS_UTILS_H_
+#define CONTENT_PUBLIC_RENDERER_CHROME_OBJECT_EXTENSIONS_UTILS_H_
+
+#include "content/common/content_export.h"
+
+namespace v8 {
+template<class T> class Local;
+class Object;
+class Isolate;
+}  // namespace v8
+
+namespace content {
+
+CONTENT_EXPORT v8::Local<v8::Object> GetOrCreateChromeObject(
+    v8::Isolate* isolate,
+    v8::Local<v8::Object> global);
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_RENDERER_CHROME_OBJECT_EXTENSIONS_UTILS_H_