Componentize Constrained Window Views

chrome/browser/ui/views/chrome_constrained_window_views_client.cc

+// 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.
+
+#include "chrome/browser/ui/views/chrome_constrained_window_views_client.h"
+
+#include "chrome/browser/ui/browser_finder.h"
+#include "components/web_modal/web_contents_modal_dialog_host.h"
+#include "extensions/browser/guest_view/guest_view_base.h"
+
+namespace {
+
+class ChromeConstrainedWindowViewsClient
+    : public ConstrainedWindowViewsClient {
+ public:
+  ChromeConstrainedWindowViewsClient() {}
+  ~ChromeConstrainedWindowViewsClient() override {}
+
+ private:
+  // ConstrainedWindowViewsClient:
+  content::WebContents* GetEmbedderWebContents(
+      content::WebContents* initiator_web_contents) override {
+    extensions::GuestViewBase* guest_view =
+        extensions::GuestViewBase::FromWebContents(initiator_web_contents);
+    return guest_view && guest_view->embedder_web_contents() ?
+        guest_view->embedder_web_contents() : initiator_web_contents;
+  }
+  web_modal::ModalDialogHost* GetModalDialogHost(
+      gfx::NativeWindow parent) override {
+    // Get the browser dialog management and hosting components from |parent|.
+    Browser* browser = chrome::FindBrowserWithWindow(parent);
+    if (browser) {
+      ChromeWebModalDialogManagerDelegate* manager = browser;
+      return manager->GetWebContentsModalDialogHost();
+    }
+    return nullptr;
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeConstrainedWindowViewsClient);
+};
+
+}  // namespace
+
+scoped_ptr<ConstrainedWindowViewsClient>
+CreateChromeConstrainedWindowViewsClient() {
+  return make_scoped_ptr(new ChromeConstrainedWindowViewsClient);
+}