third_party/WebKit: fix typos found in comments

third_party/WebKit/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"
 #include "core/dom/NodeList.h"
@@ skipping 109 matching lines @@
 
     findOptions.findNext = true;
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect));
     activeMatch = textFinder().activeMatch();
     ASSERT_TRUE(activeMatch);
     EXPECT_EQ(textNode, activeMatch->startContainer());
     EXPECT_EQ(4, activeMatch->startOffset());
     EXPECT_EQ(textNode, activeMatch->endContainer());
     EXPECT_EQ(10, activeMatch->endOffset());
 
-    // Wrap to the first match (last occurence in the document).
+    // Wrap to the first match (last occurrence in the document).
     ASSERT_TRUE(textFinder().find(identifier, searchText, findOptions, wrapWithinFrame, selectionRect));
     activeMatch = textFinder().activeMatch();
     ASSERT_TRUE(activeMatch);
     EXPECT_EQ(textNode, activeMatch->startContainer());
     EXPECT_EQ(14, activeMatch->startOffset());
     EXPECT_EQ(textNode, activeMatch->endContainer());
     EXPECT_EQ(20, activeMatch->endOffset());
 }
 
 TEST_F(TextFinderTest, FindTextAutosizing)
@@ skipping 363 matching lines @@
     // There will be only one iteration before timeout, because increment
     // of the TimeProxyPlatform timer is greater than timeout threshold.
     textFinder().scopeStringMatches(identifier, searchPattern, findOptions, true);
     while (textFinder().scopingInProgress())
         runPendingTasks();
 
     EXPECT_EQ(4, textFinder().totalMatchCount());
 }
 
 } // namespace blink