Mark FrameHost::deviceScaleFactor as deprecated.

third_party/WebKit/Source/core/page/DragController.cpp

 /*
  * Copyright (C) 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 881 matching lines @@
         if (!image || image->isNull())
             return false;
         // We shouldn't be starting a drag for an image that can't provide an extension.
         // This is an early detection for problems encountered later upon drop.
         ASSERT(!image->filenameExtension().isEmpty());
         if (!dragImage) {
             const IntRect& imageRect = hitTestResult.imageRect();
             IntSize imageSizeInPixels = imageRect.size();
             // TODO(oshima): Remove this scaling and simply pass imageRect to dragImageForImage
             // once all platforms are migrated to use zoom for dsf.
-            imageSizeInPixels.scale(src->host()->deviceScaleFactor());
+            imageSizeInPixels.scale(src->host()->deviceScaleFactorDeprecated());
 
             float screenDeviceScaleFactor = src->page()->chromeClient().screenInfo().deviceScaleFactor;
             // Pass the selected image size in DIP becasue dragImageForImage clips the image in DIP.
             // The coordinates of the locations are in Viewport coordinates, and they're converted in the Blink client.
             // TODO(oshima): Currently, the dragged image on high DPI is scaled and can be blurry because of this.
             // Consider to clip in the screen coordinates to use high resolution image on high DPI screens.
             dragImage = dragImageForImage(element, image, screenDeviceScaleFactor, dragOrigin, imageRect.location(), imageSizeInPixels, dragLocation);
         }
         doSystemDrag(dragImage.get(), dragLocation, dragOrigin, dataTransfer, src, false);
     } else if (state.m_dragType == DragSourceActionLink) {
@@ skipping 79 matching lines @@
 
 DEFINE_TRACE(DragController)
 {
     visitor->trace(m_page);
     visitor->trace(m_documentUnderMouse);
     visitor->trace(m_dragInitiator);
     visitor->trace(m_fileInputElementUnderMouse);
 }
 
 } // namespace blink