Revert of Move core web_view code to extensions.

chrome/browser/guest_view/web_view/javascript_dialog_helper.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/guest_view/web_view/javascript_dialog_helper.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/guest_view/web_view/web_view_constants.h"
+#include "chrome/browser/guest_view/web_view/web_view_guest.h"
+#include "chrome/browser/guest_view/web_view/web_view_permission_helper.h"
+#include "chrome/browser/guest_view/web_view/web_view_permission_types.h"
+#include "extensions/browser/guest_view/guest_view_constants.h"
+
+namespace extensions {
+
+namespace {
+
+std::string JavaScriptMessageTypeToString(
+    content::JavaScriptMessageType message_type) {
+  switch (message_type) {
+    case content::JAVASCRIPT_MESSAGE_TYPE_ALERT:
+      return "alert";
+    case content::JAVASCRIPT_MESSAGE_TYPE_CONFIRM:
+      return "confirm";
+    case content::JAVASCRIPT_MESSAGE_TYPE_PROMPT:
+      return "prompt";
+    default:
+      NOTREACHED() << "Unknown JavaScript Message Type.";
+      return "unknown";
+  }
+}
+
+}  // namespace
+
+JavaScriptDialogHelper::JavaScriptDialogHelper(WebViewGuest* guest)
+    : web_view_guest_(guest) {
+}
+
+JavaScriptDialogHelper::~JavaScriptDialogHelper() {
+}
+
+void JavaScriptDialogHelper::RunJavaScriptDialog(
+    content::WebContents* web_contents,
+    const GURL& origin_url,
+    const std::string& accept_lang,
+    content::JavaScriptMessageType javascript_message_type,
+    const base::string16& message_text,
+    const base::string16& default_prompt_text,
+    const DialogClosedCallback& callback,
+    bool* did_suppress_message) {
+  base::DictionaryValue request_info;
+  request_info.Set(
+      webview::kDefaultPromptText,
+      new base::StringValue(base::UTF16ToUTF8(default_prompt_text)));
+  request_info.Set(webview::kMessageText,
+                   new base::StringValue(base::UTF16ToUTF8(message_text)));
+  request_info.Set(webview::kMessageType,
+                   new base::StringValue(
+                       JavaScriptMessageTypeToString(javascript_message_type)));
+  request_info.Set(guestview::kUrl, new base::StringValue(origin_url.spec()));
+  WebViewPermissionHelper* web_view_permission_helper =
+      WebViewPermissionHelper::FromWebContents(web_contents);
+  web_view_permission_helper->RequestPermission(
+      WEB_VIEW_PERMISSION_TYPE_JAVASCRIPT_DIALOG,
+      request_info,
+      base::Bind(&JavaScriptDialogHelper::OnPermissionResponse,
+                 base::Unretained(this),
+                 callback),
+      false /* allowed_by_default */);
+}
+
+void JavaScriptDialogHelper::RunBeforeUnloadDialog(
+    content::WebContents* web_contents,
+    const base::string16& message_text,
+    bool is_reload,
+    const DialogClosedCallback& callback) {
+  // This is called if the guest has a beforeunload event handler.
+  // This callback allows navigation to proceed.
+  callback.Run(true, base::string16());
+}
+
+bool JavaScriptDialogHelper::HandleJavaScriptDialog(
+    content::WebContents* web_contents,
+    bool accept,
+    const base::string16* prompt_override) {
+  return false;
+}
+
+void JavaScriptDialogHelper::CancelActiveAndPendingDialogs(
+    content::WebContents* web_contents) {
+}
+
+void JavaScriptDialogHelper::WebContentsDestroyed(
+    content::WebContents* web_contents) {
+}
+
+void JavaScriptDialogHelper::OnPermissionResponse(
+    const DialogClosedCallback& callback,
+    bool allow,
+    const std::string& user_input) {
+  callback.Run(allow && web_view_guest_->attached(),
+               base::UTF8ToUTF16(user_input));
+}
+
+}  // namespace extensions