Cleanup: Remove obsolete references to webkit_glue namespace.

chrome/renderer/spellchecker/spellcheck_unittest.cc

Index: chrome/renderer/spellchecker/spellcheck_unittest.cc
diff --git a/chrome/renderer/spellchecker/spellcheck_unittest.cc b/chrome/renderer/spellchecker/spellcheck_unittest.cc
index 68ff023ee5bf01ebf4a26a1a8bc71857c09e39af..cc8054236648b901d81a9b8ebbc1bf49d4c6e005 100644
--- a/chrome/renderer/spellchecker/spellcheck_unittest.cc
+++ b/chrome/renderer/spellchecker/spellcheck_unittest.cc
@@ -127,7 +127,7 @@ class MockTextCheckingCompletion : public blink::WebTextCheckingCompletion {
   blink::WebVector<blink::WebTextCheckingResult> last_results_;
 };
 
-// Operates unit tests for the webkit_glue::SpellCheckWord() function
+// Operates unit tests for the content::SpellCheck::SpellCheckWord() function
 // with the US English dictionary.
 // The unit tests in this function consist of:
 //   * Tests for the function with empty strings;