Restart search in page when new text is found.

third_party/WebKit/Source/web/TextFinder.h

Index: third_party/WebKit/Source/web/TextFinder.h
diff --git a/third_party/WebKit/Source/web/TextFinder.h b/third_party/WebKit/Source/web/TextFinder.h
index cddbb97e65cb581dd50941cfef659263fcc41f79..58458c8679785c9d729826d8cbf94d8916189006 100644
--- a/third_party/WebKit/Source/web/TextFinder.h
+++ b/third_party/WebKit/Source/web/TextFinder.h
@@ -56,7 +56,7 @@ public:
 
     bool find(
         int identifier, const WebString& searchText, const WebFindOptions&,
-        bool wrapWithinFrame, WebRect* selectionRect);
+        bool wrapWithinFrame, WebRect* selectionRect, bool* activeNow = nullptr);
     void stopFindingAndClearSelection();
     void scopeStringMatches(
         int identifier, const WebString& searchText, const WebFindOptions&,
@@ -148,8 +148,9 @@ private:
     // Add a WebKit TextMatch-highlight marker to nodes in a range.
     void addMarker(Range*, bool activeMatch);
 
-    // Sets the markers within a range as active or inactive.
-    void setMarkerActive(Range*, bool active);
+    // Sets the markers within a range as active or inactive. Returns true if at least
+    // one such marker found.
+    bool setMarkerActive(Range*, bool active);
 
     // Removes all markers.
     void unmarkAllTextMatches();