[MD Feedback] Add placeholder feedback entry point.

chrome/browser/ui/webui/md_feedback/md_feedback_ui.cc

 // Copyright 2016 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/webui/md_feedback/md_feedback_ui.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "grit/browser_resources.h"
-#include "ui/web_dialogs/web_dialog_delegate.h"
-#include "url/gurl.h"
 
 #if !defined(OS_MACOSX)
 #include "chrome/browser/ui/browser_dialogs.h"
 #endif
 
 namespace {
 
-// The WebDialogDelegate that specifies what the MD Feedback dialog will look
-// like.
-class MdFeedbackDialogDelegate : public ui::WebDialogDelegate {
- public:
-  MdFeedbackDialogDelegate() {}
-  ~MdFeedbackDialogDelegate() override {}
-
-  ui::ModalType GetDialogModalType() const override {
-    return ui::MODAL_TYPE_SYSTEM;
-  }
-
-  base::string16 GetDialogTitle() const override {
-    return base::string16();
-  }
-
-  GURL GetDialogContentURL() const override {
-    return GURL(chrome::kChromeUIFeedbackURL);
-  }
-
-  void GetWebUIMessageHandlers(
-      std::vector<content::WebUIMessageHandler*>* handlers) const override {}
-
-  void GetDialogSize(gfx::Size* size) const override {
-    // TODO(apacible): Update when WebUI sizing behavior is finalized.
-    size->SetSize(400, 600);
-  }
-
-  std::string GetDialogArgs() const override {
-    return std::string();
-  }
-
-  void OnDialogClosed(const std::string& json_retval) override {
-    delete this;
-  }
-
-  void OnCloseContents(
-      content::WebContents* source, bool* out_close_dialog) override {}
-
-  bool ShouldShowDialogTitle() const override {
-    return false;
-  }
-
-  bool HandleContextMenu(const content::ContextMenuParams& params) override {
-    // Do not show the contextual menu.
-    return true;
-  }
-};
-
-}  // namespace
-
-namespace {
-
 content::WebUIDataSource* CreateMdFeedbackUIHTMLSource(Profile* profile) {
   content::WebUIDataSource* html_source =
       content::WebUIDataSource::Create(chrome::kChromeUIFeedbackHost);
 
   // General strings.
   html_source->AddLocalizedString("headingText",
                                   IDS_MD_FEEDBACK_HEADING);
 
   // Input labels.
   html_source->AddLocalizedString("emailLabel",
@@ skipping 25 matching lines @@
 MdFeedbackUI::MdFeedbackUI(content::WebUI* web_ui)
     : content::WebUIController(web_ui) {
   // Set up the chrome://feedback data html_source.
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource* html_source =
       CreateMdFeedbackUIHTMLSource(profile);
   content::WebUIDataSource::Add(profile, html_source);
 }
 
 MdFeedbackUI::~MdFeedbackUI() {}
-
-void ShowFeedbackWebDialog(
-    content::BrowserContext* browser_context) {
-  // TODO(apacible): Platform dependent implementations.
-#if !defined(OS_MACOSX)
-  // TODO(apacible): If a feedback dialog is already open, bring that dialog
-  // to the front rather than creating a new dialog.
-  chrome::ShowWebDialog(NULL, browser_context, new MdFeedbackDialogDelegate());
-#endif  // !OS_MACOSX
-}