Move compositor bindings implementations out of WebKit::, fix style

webkit/compositor_bindings/web_to_ccscrollbar_theme_painter_adapter.h

Index: webkit/compositor_bindings/web_to_ccscrollbar_theme_painter_adapter.h
diff --git a/webkit/compositor_bindings/web_to_ccscrollbar_theme_painter_adapter.h b/webkit/compositor_bindings/web_to_ccscrollbar_theme_painter_adapter.h
index d1082e5e442e7ab6fc965a36584101ce26c42699..6402e713fa0745b1af33dc7e5d4fee2653fab7ec 100644
--- a/webkit/compositor_bindings/web_to_ccscrollbar_theme_painter_adapter.h
+++ b/webkit/compositor_bindings/web_to_ccscrollbar_theme_painter_adapter.h
@@ -8,14 +8,14 @@
 #include "base/memory/scoped_ptr.h"
 #include "cc/scrollbar_theme_painter.h"
 
-namespace WebKit {
+namespace WebKit { class WebScrollbarThemePainter; }
 
-class WebScrollbarThemePainter;
+namespace webkit {
 
 class WebToCCScrollbarThemePainterAdapter : public cc::ScrollbarThemePainter {
  public:
   static scoped_ptr<WebToCCScrollbarThemePainterAdapter> Create(
-      scoped_ptr<WebScrollbarThemePainter> web_painter) {
+      scoped_ptr<WebKit::WebScrollbarThemePainter> web_painter) {
     return make_scoped_ptr(
         new WebToCCScrollbarThemePainterAdapter(web_painter.Pass()));
   }
@@ -41,13 +41,12 @@ class WebToCCScrollbarThemePainterAdapter : public cc::ScrollbarThemePainter {
   virtual void PaintThumb(SkCanvas* canvas, const gfx::Rect& rect) OVERRIDE;
 
  private:
-  WebToCCScrollbarThemePainterAdapter(
-      scoped_ptr<WebScrollbarThemePainter> web_painter)
-      : painter_(web_painter.Pass()) {}
+  explicit WebToCCScrollbarThemePainterAdapter(
+      scoped_ptr<WebKit::WebScrollbarThemePainter> web_painter);
 
-  scoped_ptr<WebScrollbarThemePainter> painter_;
+  scoped_ptr<WebKit::WebScrollbarThemePainter> painter_;
 };
 
-}  // namespace WebKit
+}  // namespace webkit
 
 #endif  // WEBKIT_COMPOSITOR_BINDINGS_WEB_TO_CCSCROLLBAR_THEME_PAINTER_ADAPTER_H_