Removed webui_generator and new OOBE UI placeholder.

components/webui_generator/view.h

-// Copyright 2015 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.
-
-#ifndef CHROME_BROWSER_UI_WEBUI_WUG_VIEW_H_
-#define CHROME_BROWSER_UI_WEBUI_WUG_VIEW_H_
-
-#include "base/containers/scoped_ptr_hash_map.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "components/webui_generator/export.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace webui_generator {
-
-class ViewModel;
-
-/**
- * Base block of Web UI (in terms of Web UI Generator). Every View instance is
- * associated with single ViewModel instance which provides a context for the
- * view. Views are hierarchical. Every child of view has an unique id.
- */
-class WUG_EXPORT View {
- public:
-  explicit View(const std::string& id);
-  virtual ~View();
-
-  // Should be called before using the view. This method creates children (using
-  // CreateAndAddChildren() method) and a view-model (using CreateViewModel()
-  // method). Then it recursively calls Init() for the children. When
-  // all the children and the view-model are ready, OnReady() method is called.
-  // Overridden methods should call the base implementation.
-  virtual void Init();
-
-  // Root view is a view without parent.
-  // Root view should have id equal to "WUG_ROOT".
-  bool IsRootView() const;
-
-  ViewModel* GetViewModel() const;
-
-  // Called by view-model when it is ready.
-  void OnViewModelReady();
-
-  const std::string& id() const { return id_; }
-
-  // Every view has an unique path in a view hierarchy which is:
-  //  a) |id| for the root view;
-  //  b) concatenation of parent's path, $-sign and |id| for not-root views.
-  const std::string& path() const { return path_; }
-
-  // Returns a child with a given |id|. Returns |nullptr| if such child doesn't
-  // exist.
-  View* GetChild(const std::string& id) const;
-
-  // Called by view-model when it changes the context.
-  virtual void OnContextChanged(const base::DictionaryValue& diff) = 0;
-
- protected:
-  // Called when view is ready, which means view-model and all children are
-  // ready. Overridden methods should call the base implementation.
-  virtual void OnReady();
-
-  // Forwards context changes stored in |diff| to view-model.
-  void UpdateContext(const base::DictionaryValue& diff);
-
-  // Forwards |event| to view-model.
-  void HandleEvent(const std::string& event);
-
-  bool ready() const { return ready_; }
-
-  base::ScopedPtrHashMap<std::string, scoped_ptr<View>>& children() {
-    return children_;
-  }
-
-  // Adds |child| to the list of children of |this|. Can be called only from
-  // CreateAndAddChildren() override.
-  void AddChild(View* child);
-
-  virtual std::string GetType() = 0;
-
-  // Implementation should create an instance of view-model for this view.
-  virtual ViewModel* CreateViewModel() = 0;
-
-  // Implementation should create and add children to |this| view. This method
-  // is an only place where it is allowed to add children.
-  virtual void CreateAndAddChildren() = 0;
-
- private:
-  // Called by |child| view, when it is ready.
-  void OnChildReady(View* child);
-
-  // Called when all the children created by CreatedAndAddChildren() are ready.
-  void OnChildrenReady();
-
-  void set_parent(View* parent) { parent_ = parent; }
-
-  View* parent_;
-  std::string id_;
-  std::string path_;
-
-  // Number of child views that are ready.
-  int ready_children_;
-
-  bool view_model_ready_;
-  bool ready_;
-  base::ScopedPtrHashMap<std::string, scoped_ptr<View>> children_;
-  scoped_ptr<ViewModel> view_model_;
-  base::WeakPtrFactory<View> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(View);
-};
-
-}  // namespace webui_generator
-
-#endif  // CHROME_BROWSER_UI_WEBUI_WUG_VIEW_H_