Extract a minimal subset of WebDialogUI/WebDialogDelegate from src/chrome -> src/ui/web_dialogs

ui/web_dialogs/web_dialog_web_contents_delegate.cc

+// Copyright (c) 2012 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 "ui/web_dialogs/web_dialog_web_contents_delegate.h"
+
+#include "content/public/browser/browser_context.h"
+#include "content/public/browser/web_contents.h"
+
+using content::OpenURLParams;
+using content::WebContents;
+using content::BrowserContext;
+
+namespace web_dialogs {
+// Incognito profiles are not long-lived, so we always want to store a
+// non-incognito profile.
+//
+// TODO(akalin): Should we make it so that we have a default incognito
+// profile that's long-lived?  Of course, we'd still have to clear it out
+// when all incognito browsers close.
+WebDialogWebContentsDelegate::WebDialogWebContentsDelegate
+(BrowserContext* context)
+    : context_(context) {
+}
+
+WebDialogWebContentsDelegate::~WebDialogWebContentsDelegate() {
+}
+
+BrowserContext* WebDialogWebContentsDelegate::context() const {
+  return context_;
+}
+
+void WebDialogWebContentsDelegate::Detach() {
+  context_ = NULL;
+}
+
+bool WebDialogWebContentsDelegate::IsPopupOrPanel(
+    const WebContents* source) const {
+  // This needs to return true so that we are allowed to be resized by our
+  // contents.
+  return true;
+}
+
+bool WebDialogWebContentsDelegate::ShouldAddNavigationToHistory(
+    const history::HistoryAddPageArgs& add_page_args,
+    content::NavigationType navigation_type) {
+  return false;
+}
+}  // namespace web_dialogs