Implement media::VideoDecodeAccelerator on Mac

chrome/browser/ui/panels/panel_window_controller_cocoa.mm

 // 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.
 
 #include "chrome/browser/ui/panels/panel_window_controller_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
@@ skipping 294 matching lines @@
 - (void)prepareForDrag:(NSEvent*)initialMouseDownEvent {
   dragState_ = PANEL_DRAG_CAN_START;
   startMouseLocation_ = [initialMouseDownEvent locationInWindow];
 
   // Make sure the cursor stays the same during whole resize operation.
   // The cursor rects normally do not guarantee the same cursor, since the
   // mouse may temporarily leave the cursor rect area (or even the window) so
   // the cursor will flicker. Disable cursor rects and grab the current cursor
   // so we can set it on mouseDragged: events to avoid flicker.
   [[self window] disableCursorRects];
-  dragCursor_.reset([NSCursor currentCursor], scoped_policy::RETAIN);
+  dragCursor_.reset([NSCursor currentCursor], base::scoped_policy::RETAIN);
 }
 
 -(void)cleanupAfterDrag {
   dragState_ = PANEL_DRAG_SUPPRESSED;
   [[self window] enableCursorRects];
   dragCursor_.reset();
   startMouseLocation_ = NSZeroPoint;
 }
 
 - (BOOL)exceedsDragThreshold:(NSPoint)mouseLocation {
@@ skipping 682 matching lines @@
   [[self window] setLevel:NSDockWindowLevel];
 }
 
 - (void)enableResizeByMouse:(BOOL)enable {
   if (![self isWindowLoaded])
     return;
   [[self window] invalidateCursorRectsForView:overlayView_];
 }
 
 @end