Fix high-DPI on Windows to make use of DIP scaling in WebKit.

content/browser/renderer_host/test_render_view_host.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_BROWSER_RENDERER_HOST_TEST_RENDER_VIEW_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_TEST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 143 matching lines @@
                                float page_scale_factor,
                                float min_page_scale_factor,
                                float max_page_scale_factor,
                                const gfx::Size& content_size,
                                const gfx::Vector2dF& controls_offset,
                                const gfx::Vector2dF& content_offset) OVERRIDE {}
   virtual void HasTouchEventHandlers(bool need_touch_events) OVERRIDE {}
 #elif defined(OS_WIN) && !defined(USE_AURA)
   virtual void WillWmDestroy() OVERRIDE;
 #endif
-#if defined(OS_POSIX) || defined(USE_AURA)
   virtual void GetScreenInfo(WebKit::WebScreenInfo* results) OVERRIDE {}
-#endif
   virtual gfx::Rect GetBoundsInRootWindow() OVERRIDE;
   virtual void SetHasHorizontalScrollbar(
       bool has_horizontal_scrollbar) OVERRIDE { }
   virtual void SetScrollOffsetPinning(
       bool is_pinned_to_left, bool is_pinned_to_right) OVERRIDE { }
 
 #if defined(TOOLKIT_GTK)
   virtual void CreatePluginContainer(gfx::PluginWindowHandle id) OVERRIDE { }
   virtual void DestroyPluginContainer(gfx::PluginWindowHandle id) OVERRIDE { }
 #endif  // defined(TOOLKIT_GTK)
@@ skipping 168 matching lines @@
   TestRenderViewHost* active_test_rvh();
   TestWebContents* contents();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImplTestHarness);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_TEST_RENDER_VIEW_HOST_H_