Find In Page doesn't work properly when " " is searched

third_party/WebKit/Source/web/tests/TextFinderTest.cpp

Index: third_party/WebKit/Source/web/tests/TextFinderTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/TextFinderTest.cpp b/third_party/WebKit/Source/web/tests/TextFinderTest.cpp
index dc79c9f70374412e547454a6092adb04a728f5a3..c7d60901064d37b95840238980ca8b15d91d728e 100644
--- a/third_party/WebKit/Source/web/tests/TextFinderTest.cpp
+++ b/third_party/WebKit/Source/web/tests/TextFinderTest.cpp
@@ -433,6 +433,22 @@ protected:
     TimeProxyPlatform m_proxyTimePlatform;
 };
 
+TEST_F(TextFinderTest, WhitespaceMatches)

[yosin_UTC9, 2016/01/20 05:33:11]

Can we put test in |TextIteratorTest| rather than for TextFinder?
Since, this patch changes |TextIterator| and |TextFinder| is very far from
|TextIterator| in our implementation.

[ramya.v, 2016/01/20 05:59:10]

Done.

+{
+    document().body()->setInnerHTML("<span>Some text </span> <input type='button' value='Button text'/><span>Some more text</span>", ASSERT_NO_EXCEPTION);
+
+    int identifier = 0;
+    WebString searchText(String(" "));
+    WebFindOptions findOptions; // Default.
+
+    textFinder().resetMatchCount();
+    textFinder().scopeStringMatches(identifier, searchText, findOptions, true);
+    while (textFinder().scopingInProgress())
+        runPendingTasks();
+
+    EXPECT_EQ(5, textFinder().totalMatchCount());
+}
+
 TEST_F(TextFinderFakeTimerTest, ScopeWithTimeouts)
 {
     // Make a long string.