Create render view for extensions on Linux.

chrome/browser/gtk/extension_view_gtk.cc

+// Copyright (c) 2009 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 "chrome/browser/gtk/extension_view_gtk.h"
+
+#include "chrome/browser/extensions/extension_host.h"
+#include "chrome/browser/renderer_host/render_view_host.h"
+#include "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
+
+ExtensionViewGtk::ExtensionViewGtk(ExtensionHost* extension_host)
+    : extension_host_(extension_host),
+      render_widget_host_view_(NULL) {
+  CreateWidgetHostView();
+}
+
+gfx::NativeView ExtensionViewGtk::native_view() {
+  return render_widget_host_view_->native_view();
+}
+
+RenderViewHost* ExtensionViewGtk::render_view_host() const {
+  return extension_host_->render_view_host();
+}
+
+void ExtensionViewGtk::CreateWidgetHostView() {
+  DCHECK(!render_widget_host_view_);
+  render_widget_host_view_ = new RenderWidgetHostViewGtk(render_view_host());
+  render_widget_host_view_->InitAsChild();
+
+  extension_host_->CreateRenderView(render_widget_host_view_);
+}