Move //components/ui/zoom to top-level under //components

components/zoom/page_zoom.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 COMPONENTS_UI_ZOOM_PAGE_ZOOM_H_
-#define COMPONENTS_UI_ZOOM_PAGE_ZOOM_H_
+#ifndef COMPONENTS_ZOOM_PAGE_ZOOM_H_
+#define COMPONENTS_ZOOM_PAGE_ZOOM_H_
 
 #include <vector>
 
 #include "base/macros.h"
 #include "content/public/common/page_zoom.h"
 
 namespace content {
 class WebContents;
 }
 
-namespace ui_zoom {
+namespace zoom {
 
 // This class provides a means of zooming pages according to a predetermined
 // set of zoom levels/factors. In future, the static methods in this class
 // can be made non-static, with PresetZoomX() being virtual, to allow clients
 // to create custom sets of zoom levels.
 class PageZoom {
  public:
   // Return a sorted vector of zoom factors. The vector will consist of preset
   // values along with a custom value (if the custom value is not already
   // represented.)
   static std::vector<double> PresetZoomFactors(double custom_factor);
 
   // Return a sorted vector of zoom levels. The vector will consist of preset
   // values along with a custom value (if the custom value is not already
   // represented.)
   static std::vector<double> PresetZoomLevels(double custom_level);
 
   // Adjusts the zoom level of |web_contents|.
   static void Zoom(content::WebContents* web_contents, content::PageZoom zoom);
 
  private:
   // We don't expect (currently) to create instances of this class.
   PageZoom() {}
   DISALLOW_COPY_AND_ASSIGN(PageZoom);
 };
 
-}  // namespace ui_zoom
+}  // namespace zoom
 
-#endif  // COMPONENTS_UI_ZOOM_PAGE_ZOOM_H_
+#endif  // COMPONENTS_ZOOM_PAGE_ZOOM_H_