Remove duplicated function in RenderView.

content/renderer/render_view_impl.cc

 // 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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 2131 matching lines @@
   convertViewportToWindow(rect);
 }
 
 gfx::RectF RenderViewImpl::ElementBoundsInWindow(
     const blink::WebElement& element) {
   blink::WebRect bounding_box_in_window = element.boundsInViewport();
   ConvertViewportToWindowViaWidget(&bounding_box_in_window);
   return gfx::RectF(bounding_box_in_window);
 }
 
-float RenderViewImpl::GetDeviceScaleFactorForTest() const {
-  return device_scale_factor_;
-}
-
 bool RenderViewImpl::HasAddedInputHandler() const {
   return has_added_input_handler_;
 }
 
 gfx::Point RenderViewImpl::ConvertWindowPointToViewport(
     const gfx::Point& point) {
   blink::WebFloatRect point_in_viewport(point.x(), point.y(), 0, 0);
   convertWindowToViewport(&point_in_viewport);
   return gfx::Point(point_in_viewport.x, point_in_viewport.y);
 }
@@ skipping 1095 matching lines @@
         return render_frame->focused_pepper_plugin();
     }
     frame = frame->traverseNext(false);
   }
 
   return nullptr;
 }
 #endif
 
 }  // namespace content