Fix incorrect number of matches and misleading highlighting in "Find on Page" results

Source/web/TextFinder.cpp

Index: Source/web/TextFinder.cpp
diff --git a/Source/web/TextFinder.cpp b/Source/web/TextFinder.cpp
index 597fdc45dfe16344f146a61627aa9ecf99bef1ee..1cd37fc1bc3328b96ac9aa10c11426602d363327 100644
--- a/Source/web/TextFinder.cpp
+++ b/Source/web/TextFinder.cpp
@@ -242,7 +242,7 @@ void TextFinder::scopeStringMatches(int identifier, const WebString& searchText,
         // This is a continuation of a scoping operation that timed out and didn't
         // complete last time around, so we should start from where we left off.
         ASSERT(m_resumeScopingFromRange->collapsed());
-        searchStart = m_resumeScopingFromRange->startPosition().next();
+        searchStart = m_resumeScopingFromRange->startPosition();
         if (searchStart.document() != searchEnd.document())
             return;
     }
@@ -318,7 +318,7 @@ void TextFinder::scopeStringMatches(int identifier, const WebString& searchText,
         // result range. There is no need to use a VisiblePosition here,
         // since findPlainText will use a TextIterator to go over the visible
         // text nodes.
-        searchStart = resultStart.next();
+        searchStart = resultEnd;
 
         m_resumeScopingFromRange = Range::create(*resultStart.document(), resultStart, resultStart);
         timedOut = (currentTime() - startTime) >= maxScopingDuration;