Move constrained web dialog code back to chrome/.

ui/web_dialogs/constrained_web_dialog_ui.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/constrained_web_dialog_ui.h"
-
-#include <string>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/lazy_instance.h"
-#include "base/values.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_ui.h"
-#include "ui/web_dialogs/web_dialog_delegate.h"
-#include "ui/web_dialogs/web_dialog_ui.h"
-
-using content::RenderViewHost;
-using content::WebContents;
-using content::WebUIMessageHandler;
-
-namespace ui {
-
-namespace {
-
-const char kConstrainedWebDialogDelegateUserDataKey[] =
-    "ConstrainedWebDialogDelegateUserData";
-
-class ConstrainedWebDialogDelegateUserData
-    : public base::SupportsUserData::Data {
- public:
-  explicit ConstrainedWebDialogDelegateUserData(
-      ConstrainedWebDialogDelegate* delegate) : delegate_(delegate) {}
-  virtual ~ConstrainedWebDialogDelegateUserData() {}
-
-  ConstrainedWebDialogDelegate* delegate() { return delegate_; }
-
- private:
-  ConstrainedWebDialogDelegate* delegate_;  // unowned
-
-  DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateUserData);
-};
-
-}  // namespace
-
-ConstrainedWebDialogUI::ConstrainedWebDialogUI(content::WebUI* web_ui)
-    : WebUIController(web_ui) {
-}
-
-ConstrainedWebDialogUI::~ConstrainedWebDialogUI() {
-}
-
-void ConstrainedWebDialogUI::RenderViewCreated(
-    RenderViewHost* render_view_host) {
-  ConstrainedWebDialogDelegate* delegate = GetConstrainedDelegate();
-  if (!delegate)
-    return;
-
-  WebDialogDelegate* dialog_delegate = delegate->GetWebDialogDelegate();
-  std::vector<WebUIMessageHandler*> handlers;
-  dialog_delegate->GetWebUIMessageHandlers(&handlers);
-  render_view_host->SetWebUIProperty("dialogArguments",
-                                     dialog_delegate->GetDialogArgs());
-  for (std::vector<WebUIMessageHandler*>::iterator it = handlers.begin();
-       it != handlers.end(); ++it) {
-    web_ui()->AddMessageHandler(*it);
-  }
-
-  // Add a "DialogClose" callback which matches WebDialogUI behavior.
-  web_ui()->RegisterMessageCallback("DialogClose",
-      base::Bind(&ConstrainedWebDialogUI::OnDialogCloseMessage,
-                 base::Unretained(this)));
-
-  dialog_delegate->OnDialogShown(web_ui(), render_view_host);
-}
-
-void ConstrainedWebDialogUI::OnDialogCloseMessage(const ListValue* args) {
-  ConstrainedWebDialogDelegate* delegate = GetConstrainedDelegate();
-  if (!delegate)
-    return;
-
-  std::string json_retval;
-  if (!args->empty() && !args->GetString(0, &json_retval))
-    NOTREACHED() << "Could not read JSON argument";
-  delegate->GetWebDialogDelegate()->OnDialogClosed(json_retval);
-  delegate->OnDialogCloseFromWebUI();
-}
-
-// static
-void ConstrainedWebDialogUI::SetConstrainedDelegate(
-    content::WebContents* web_contents,
-    ConstrainedWebDialogDelegate* delegate) {
-  web_contents->SetUserData(&kConstrainedWebDialogDelegateUserDataKey,
-                            new ConstrainedWebDialogDelegateUserData(delegate));
-}
-
-ConstrainedWebDialogDelegate* ConstrainedWebDialogUI::GetConstrainedDelegate() {
-  ConstrainedWebDialogDelegateUserData* user_data =
-      static_cast<ConstrainedWebDialogDelegateUserData*>(
-          web_ui()->GetWebContents()->
-              GetUserData(&kConstrainedWebDialogDelegateUserDataKey));
-
-  return user_data ? user_data->delegate() : NULL;
-}
-
-}  // namespace ui