Browser Plugin: Remove MapInstance from BrowserPluginHost + More cross-process navigation work

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 60295917bd454160a11a0b5567b8466831fd17ef..e796835c2a16bc0b7379d632f2d39182f7739e62 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -572,6 +572,10 @@ class CONTENT_EXPORT WebContentsImpl
 
   content::RenderViewHostImpl* GetRenderViewHostImpl();
 
+  void GetBrowserPluginEmbedderInfo(content::RenderViewHost* render_view_host,
+                                    std::string* embedder_channel_name,
+                                    int* embedder_container_id);
+
   // Stores random bits of data for others to associate with this object.
   // WARNING: this needs to be deleted after NavigationController.
   base::PropertyBag property_bag_;