Compute the popup location/size correctly when use-zoom-for-dsf is enabled.

content/renderer/render_view_impl.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_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 465 matching lines @@
                   const ui::LatencyInfo& latency_info) override;
   GURL GetURLForGraphicsContext3D() override;
   void OnImeSetComposition(
       const base::string16& text,
       const std::vector<blink::WebCompositionUnderline>& underlines,
       int selection_start,
       int selection_end) override;
   void OnImeConfirmComposition(const base::string16& text,
                                const gfx::Range& replacement_range,
                                bool keep_selection) override;
-  void SetDeviceScaleFactor(float device_scale_factor) override;
   bool SetDeviceColorProfile(const std::vector<char>& color_profile) override;
   void OnOrientationChange() override;
   ui::TextInputType GetTextInputType() override;
   void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) override;
   void FocusChangeComplete() override;
   void GetCompositionCharacterBounds(
       std::vector<gfx::Rect>* character_bounds) override;
   void GetCompositionRange(gfx::Range* range) override;
   bool CanComposeInline() override;
   void DidCommitCompositorFrame() override;
   void DidCompletePageScaleAnimation() override;
+  void OnDeviceScaleFactorChanged() override;
 
  protected:
   RenderViewImpl(CompositorDependencies* compositor_deps,
                  const ViewMsg_New_Params& params);
 
   void Initialize(const ViewMsg_New_Params& params,
                   bool was_created_by_renderer);
   void SetScreenMetricsEmulationParameters(
       bool enabled,
       const blink::WebDeviceEmulationParams& params) override;
@@ skipping 256 matching lines @@
     navigation_gesture_ = gesture;
   }
 
   // Platform specific theme preferences if any are updated here.
 #if defined(OS_WIN)
   void UpdateThemePrefs();
 #else
   void UpdateThemePrefs() {}
 #endif
 
-  void UpdateDeviceScaleFactor();
+  void UpdateWebViewWithDeviceScaleFactor();
 
   // ---------------------------------------------------------------------------
   // ADDING NEW FUNCTIONS? Please keep private functions alphabetized and put
   // it in the same order in the .cc file as it was in the header.
   // ---------------------------------------------------------------------------
 
   // Settings ------------------------------------------------------------------
 
   WebPreferences webkit_preferences_;
   RendererPreferences renderer_preferences_;
@@ skipping 248 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_