Harmony: implement TabbedPane styling

ui/views/controls/tabbed_pane/tabbed_pane.h

 // 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.
 
 #ifndef UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_
 #define UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
@@ skipping 40 matching lines @@
   void SelectTabAt(int index);
 
   // Selects |tab| (the tabstrip view, not its content) if it is valid.
   void SelectTab(Tab* tab);
 
   // Overridden from View:
   gfx::Size GetPreferredSize() const override;
   const char* GetClassName() const override;
 
  private:
-   friend class TabStrip;
+  friend class TabStrip;
 
-   // Get the Tab (the tabstrip view, not its content) at the valid |index|.
-   Tab* GetTabAt(int index);
+  // Get the Tab (the tabstrip view, not its content) at the valid |index|.
+  Tab* GetTabAt(int index);
 
   // Overridden from View:
-   void Layout() override;
-   void ViewHierarchyChanged(
-       const ViewHierarchyChangedDetails& details) override;
-   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
-   void OnFocus() override;
-   void GetAccessibleState(ui::AXViewState* state) override;
+  void Layout() override;
+  void ViewHierarchyChanged(
+      const ViewHierarchyChangedDetails& details) override;
+  bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
+  void OnFocus() override;
+  void GetAccessibleState(ui::AXViewState* state) override;
 
   // A listener notified when tab selection changes. Weak, not owned.
   TabbedPaneListener* listener_;
 
   // The tab strip and contents container. The child indices of these members
   // correspond to match each Tab with its respective content View.
   TabStrip* tab_strip_;
   View* contents_;
 
   // The selected tab index or -1 if invalid.
   int selected_tab_index_;
 
   DISALLOW_COPY_AND_ASSIGN(TabbedPane);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TABBED_PANE_TABBED_PANE_H_