[Linux] Enable subpixel text on high-dpi regardless of hinting

Source/web/PageWidgetDelegate.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 72 matching lines @@
     page->animator().updateLayoutAndStyleForPainting(rootFrame);
 }
 
 void PageWidgetDelegate::paint(Page* page, PageOverlayList* overlays, WebCanvas* canvas, const WebRect& rect, CanvasBackground background)
 {
     if (rect.isEmpty())
         return;
     GraphicsContext gc(canvas);
     gc.setCertainlyOpaque(background == Opaque);
     gc.applyDeviceScaleFactor(page->deviceScaleFactor());
-    gc.setUseHighResMarkers(page->deviceScaleFactor() > 1.5f);
+    gc.setDeviceScaleFactor(page->deviceScaleFactor());
     IntRect dirtyRect(rect);
     gc.save(); // Needed to save the canvas, not the GraphicsContext.
     FrameView* view = mainFrameView(page);
     // FIXME: Can we remove the mainFrame()->document() check?
     if (view && page->deprecatedLocalMainFrame()->document()) {
         gc.clip(dirtyRect);
         view->paint(&gc, dirtyRect);
         if (overlays)
             overlays->paintWebFrame(gc);
     } else {
@@ skipping 108 matching lines @@
 {
     return mainFrame.eventHandler().handleWheelEvent(PlatformWheelEventBuilder(mainFrame.view(), event));
 }
 
 bool PageWidgetEventHandler::handleTouchEvent(LocalFrame& mainFrame, const WebTouchEvent& event)
 {
     return mainFrame.eventHandler().handleTouchEvent(PlatformTouchEventBuilder(mainFrame.view(), event));
 }
 
 }