views: Move the implementation of SingleSplitViewExample from the header file to the source file.

views/examples/single_split_view_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_SINGLE_SPLIT_VIEW_EXAMPLE_H_
 #define VIEWS_EXAMPLES_SINGLE_SPLIT_VIEW_EXAMPLE_H_
 #pragma once
 
 #include "views/controls/single_split_view.h"
 #include "views/examples/example_base.h"
 
 namespace examples {
 
 class SingleSplitViewExample : public ExampleBase {
  public:
-  explicit SingleSplitViewExample(ExamplesMain* main)
-      : ExampleBase(main) {
-  }
+  explicit SingleSplitViewExample(ExamplesMain* main);
+  virtual ~SingleSplitViewExample();
 
-  virtual ~SingleSplitViewExample() {}
-
-  virtual std::wstring GetExampleTitle() {
-    return L"Single Split View";
-  }
-
-  virtual void CreateExampleView(views::View* container) {
-    SplittedView* splitted_view_1 = new SplittedView();
-    SplittedView* splitted_view_2 = new SplittedView();
-
-    single_split_view_ = new views::SingleSplitView(
-        splitted_view_1, splitted_view_2,
-        views::SingleSplitView::HORIZONTAL_SPLIT,
-        NULL);
-
-    splitted_view_1->SetColor(SK_ColorYELLOW, SK_ColorCYAN);
-
-    views::GridLayout* layout = new views::GridLayout(container);
-    container->SetLayoutManager(layout);
-
-    // Add scroll view.
-    views::ColumnSet* column_set = layout->AddColumnSet(0);
-    column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, 1,
-                          views::GridLayout::USE_PREF, 0, 0);
-    layout->StartRow(1, 0);
-    layout->AddView(single_split_view_);
-  }
+  // Overridden from ExampleBase:
+  virtual std::wstring GetExampleTitle();
+  virtual void CreateExampleView(views::View* container);
 
  private:
   // SingleSplitView's content, which draws gradient color on background.
   class SplittedView : public views::View {
    public:
-    SplittedView() {
-      SetColor(SK_ColorRED, SK_ColorGREEN);
-    }
+    SplittedView();
+    virtual ~SplittedView();
 
-    virtual gfx::Size GetPreferredSize() {
-      return gfx::Size(width(), height());
-    }
+    // Overridden from views::View:
+    virtual gfx::Size GetPreferredSize();
+    virtual gfx::Size GetMinimumSize();
+    virtual void Layout();
 
-    virtual gfx::Size GetMinimumSize() {
-      return gfx::Size(10, 10);
-    }
-
-    void SetColor(SkColor from, SkColor to) {
-      set_background(
-          views::Background::CreateVerticalGradientBackground(from, to));
-    }
-
-    virtual void Layout() {
-      SizeToPreferredSize();
-    }
 
    private:
+    void SetColor(SkColor from, SkColor to);
+
     DISALLOW_COPY_AND_ASSIGN(SplittedView);
   };
 
   // The SinleSplitView to test.
   views::SingleSplitView* single_split_view_;
 
   DISALLOW_COPY_AND_ASSIGN(SingleSplitViewExample);
 };
 
 }  // namespace examples
 
 #endif  // VIEWS_EXAMPLES_SINGLE_SPLIT_VIEW_EXAMPLE_H_