Sets the default background color of inline signin and user manager to grey

content/browser/renderer_host/render_widget_host_view_android.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_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <map>
 #include <queue>
 
@@ skipping 122 matching lines @@
                                  int error_code) override;
   virtual void Destroy() override;
   virtual void SetTooltipText(const base::string16& tooltip_text) override;
   virtual void SelectionChanged(const base::string16& text,
                                 size_t offset,
                                 const gfx::Range& range) override;
   virtual void SelectionBoundsChanged(
       const ViewHostMsg_SelectionBounds_Params& params) override;
   virtual void AcceleratedSurfaceInitialized(int route_id) override;
   virtual bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
-  virtual void SetBackgroundOpaque(bool transparent) override;
+  virtual void SetBackgroundColor(SkColor color) override;
   virtual void CopyFromCompositingSurface(
       const gfx::Rect& src_subrect,
       const gfx::Size& dst_size,
       CopyFromCompositingSurfaceCallback& callback,
       const SkColorType color_type) override;
   virtual void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(bool)>& callback) override;
   virtual bool CanCopyToVideoFrame() const override;
@@ skipping 260 matching lines @@
   gfx::Vector2dF last_scroll_offset_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_