Use the correct scale factor when rendering RemoteFrames with UseZoomForDSF.

content/renderer/render_widget.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 358 matching lines @@
   bool has_focus() const { return has_focus_; }
 
   MouseLockDispatcher* mouse_lock_dispatcher() {
     return mouse_lock_dispatcher_.get();
   }
 
   void set_focused_pepper_plugin(PepperPluginInstanceImpl* plugin) {
     focused_pepper_plugin_ = plugin;
   }
 
+  // When emulated, this returns original device scale factor.
+  float GetOriginalDeviceScaleFactor() const;
+
  protected:
   // Friend RefCounted so that the dtor can be non-public. Using this class
   // without ref-counting is an error.
   friend class base::RefCounted<RenderWidget>;
 
   // For unit tests.
   friend class RenderWidgetTest;
 
   enum ResizeAck {
     SEND_RESIZE_ACK,
@@ skipping 385 matching lines @@
   std::unique_ptr<blink::scheduler::RenderWidgetSchedulingState>
       render_widget_scheduling_state_;
 
   // Mouse Lock dispatcher attached to this view.
   std::unique_ptr<RenderWidgetMouseLockDispatcher> mouse_lock_dispatcher_;
 
   // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
   std::unique_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
 
  private:
-  // When emulated, this returns original device scale factor.
-  float GetOriginalDeviceScaleFactor() const;
-
   // Indicates whether this widget has focus.
   bool has_focus_;
 
   // This reference is set by the RenderFrame and is used to query the IME-
   // related state from the plugin to later send to the browser.
   PepperPluginInstanceImpl* focused_pepper_plugin_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_