Multi-Process Find-in-Page.

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 92919be4ea74b72d27e8cfb3f6e86fcb829f79f6..b9a55157005c914a9b67a35bf8b51d4ca2b96943 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -1075,6 +1075,9 @@ private:
   void SetJavaScriptDialogManagerForTesting(
       JavaScriptDialogManager* dialog_manager);
 
+  // Returns the outermost WebContents in this WebContents's tree.
+  WebContentsImpl* GetOutermostWebContents();
+
   // Returns the FindRequestManager, or creates one if it doesn't already exist.
   FindRequestManager* GetOrCreateFindRequestManager();
 
@@ -1129,7 +1132,7 @@ private:
   // SavePackage, lazily created.
   scoped_refptr<SavePackage> save_package_;
 
-  // Manages/coordinates find-in-page requests. Created lazily.
+  // Manages/coordinates multi-process find-in-page requests. Created lazily.
   std::unique_ptr<FindRequestManager> find_request_manager_;
 
   // Data for loading state ----------------------------------------------------