views: Move implementations of ComboboxExample and SliderExample to source file.

views/examples/combobox_example.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
 #define VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
 #pragma once
 
-#include "base/string_util.h"
-#include "base/utf_string_conversions.h"
-#include "ui/base/models/combobox_model.h"
+#include "base/compiler_specific.h"
 #include "views/controls/combobox/combobox.h"
 #include "views/examples/example_base.h"
 #include "views/fill_layout.h"
 
-using ui::ComboboxModel;  // TODO(beng): remove
-
 namespace examples {
 
-// ComboboxExample
-class ComboboxExample : public ExampleBase, public views::Combobox::Listener {
+class ComboboxExample : public ExampleBase,
+                        public views::Combobox::Listener {
  public:
-  explicit ComboboxExample(ExamplesMain* main) : ExampleBase(main) {
-    combobox_ = new views::Combobox(new ComboboxModelExample());
-    combobox_->set_listener(this);
-    combobox_->SetSelectedItem(3);
-  }
-  virtual ~ComboboxExample() {}
+  explicit ComboboxExample(ExamplesMain* main);
+  virtual ~ComboboxExample();
 
-  virtual std::wstring GetExampleTitle() {
-    return L"Combo Box";
-  }
-
-  virtual void CreateExampleView(views::View* container) {
-    container->SetLayoutManager(new views::FillLayout);
-    container->AddChildView(combobox_);
-  }
+  // Overridden from ExampleBase:
+  virtual std::wstring GetExampleTitle() OVERRIDE;
+  virtual void CreateExampleView(views::View* container) OVERRIDE;
 
  private:
-  // An sample combobox model that generates list of "Item <index>".
-  class ComboboxModelExample : public ComboboxModel {
-   public:
-    ComboboxModelExample() {}
-    virtual ~ComboboxModelExample() {}
-
-    virtual int GetItemCount() {
-      return 10;
-    }
-
-    virtual string16 GetItemAt(int index) {
-      return WideToUTF16Hack(StringPrintf(L"Item %d", index));
-    }
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(ComboboxModelExample);
-  };
-
-  // Lister implementation.
+  // Overridden from views::Combobox::Listener:
   virtual void ItemChanged(views::Combobox* combo_box,
                            int prev_index,
-                           int new_index) {
-    PrintStatus(L"Selected: index=%d, label=%ls",
-                new_index, UTF16ToWideHack(
-                    combo_box->model()->GetItemAt(new_index)).c_str());
-  }
+                           int new_index) OVERRIDE;
 
   // This test only control.
   views::Combobox* combobox_;
 
   DISALLOW_COPY_AND_ASSIGN(ComboboxExample);
 };
 
 }  // namespace examples
 
 #endif  // VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_