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

Source/web/tests/TextFinderTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "web/TextFinder.h"
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/Document.h"
@@ skipping 271 matching lines @@
     // the shadow roots first, so in this case the matches will be returned in the order of <u> -> <b> -> <i>.
     EXPECT_EQ(3, textFinder().totalMatchCount());
     WebVector<WebFloatRect> matchRects;
     textFinder().findMatchRects(matchRects);
     ASSERT_EQ(3u, matchRects.size());
     EXPECT_EQ(findInPageRect(textInUElement, 0, textInUElement, 3), matchRects[0]);
     EXPECT_EQ(findInPageRect(textInBElement, 0, textInBElement, 3), matchRects[1]);
     EXPECT_EQ(findInPageRect(textInIElement, 0, textInIElement, 3), matchRects[2]);
 }
 
+TEST_F(TextFinderTest, ScopeRepeatPatternTextMatches)
+{
+    document().body()->setInnerHTML("ab ab ab ab ab", ASSERT_NO_EXCEPTION);
+    Node* textNode = document().body()->firstChild();
+
+    int identifier = 0;
+    WebString searchText(String("ab ab"));
+    WebFindOptions findOptions; // Default.
+
+    textFinder().resetMatchCount();
+    textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
+    while (textFinder().scopingInProgress())
+        FrameTestHelpers::runPendingTasks();
+
+    EXPECT_EQ(2, textFinder().totalMatchCount());
+    WebVector<WebFloatRect> matchRects;
+    textFinder().findMatchRects(matchRects);
+    ASSERT_EQ(2u, matchRects.size());
+    EXPECT_EQ(findInPageRect(textNode, 0, textNode, 5), matchRects[0]);
+    EXPECT_EQ(findInPageRect(textNode, 6, textNode, 11), matchRects[1]);
+}
+
 } // namespace