Allow MimeHandlerViewGuest be embedded inside OOPIFs

content/browser/renderer_host/render_widget_host_view_base.h

Index: content/browser/renderer_host/render_widget_host_view_base.h
diff --git a/content/browser/renderer_host/render_widget_host_view_base.h b/content/browser/renderer_host/render_widget_host_view_base.h
index b556e1cdec81a2b1e161f32525d3743b2aa1351a..04ccb0dff9ad5d9fbf717a8a223eab9829ae4724 100644
--- a/content/browser/renderer_host/render_widget_host_view_base.h
+++ b/content/browser/renderer_host/render_widget_host_view_base.h
@@ -287,6 +287,13 @@ class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
   // need to also be resolved.
   virtual bool IsRenderWidgetHostViewChildFrame();
 
+  // TODO(ekaramad): This is used for input event routing when the target of
+  // events is a RenderWidgetHostViewGuest which is embeded in an OOPIF (the
+  // only example right now is MimeHandlerViewGuest). Same as above, this
+  // method should be removed when either direct routing is supported for
+  // RWHVG or RWHVG is removed entirely (https://crbug.com/533069).
+  virtual RenderWidgetHostViewBase* GetOuterView();

[lfg, 2016/10/20 22:50:49]

This doesn't belong here and we shouldn't need it.

[EhsanK, 2016/10/25 19:30:50]

Agreed is we can include RWHVG inside RWHIER. 

kenrb@, does that seem right given that you already have a comment inside the
DEPS file about eventually moving RWHVCF to renderer_host and esp. given that
RWHVG is hopefully temporary?

+
   //----------------------------------------------------------------------------
   // The following methods are related to IME.
   // TODO(ekaramad): Most of the IME methods should not stay virtual after IME