Move has_focus_ tracking from RenderWidget to RenderView.

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 608e9041357585f90855c54c0ac363973df66fe7..9261ae034fe1b3d5b250f01181e7509d5298b55d 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -124,7 +124,6 @@ class CONTENT_EXPORT RenderWidget
   CompositorDependencies* compositor_deps() const { return compositor_deps_; }
   blink::WebWidget* webwidget() const { return webwidget_; }
   gfx::Size size() const { return size_; }
-  bool has_focus() const { return has_focus_; }
   bool is_fullscreen_granted() const { return is_fullscreen_granted_; }
   blink::WebDisplayMode display_mode() const { return display_mode_; }
   bool is_hidden() const { return is_hidden_; }
@@ -651,9 +650,6 @@ class CONTENT_EXPORT RenderWidget
   // Indicates the display mode.
   blink::WebDisplayMode display_mode_;
 
-  // Indicates whether we have been focused/unfocused by the browser.
-  bool has_focus_;
-
   // Are we currently handling an input event?
   bool handling_input_event_;