Remove old C++03 move emulation code.

chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h

Index: chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h
diff --git a/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h b/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h
index a2c506845931a433574e811104366571c3e43872..a53dc0055ce974b1b9d2727726fcb67aa6b3aff8 100644
--- a/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h
+++ b/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h
@@ -92,14 +92,13 @@ class SpellcheckHunspellDictionary
 
   // Dictionary file information to be passed between the FILE and UI threads.
   struct DictionaryFile {
-    MOVE_ONLY_TYPE_FOR_CPP_03(DictionaryFile, RValue)
+    MOVE_ONLY_TYPE_FOR_CPP_03(DictionaryFile)
    public:
     DictionaryFile();
     ~DictionaryFile();
 
-    // C++03 move emulation of this type.
-    DictionaryFile(RValue other);
-    DictionaryFile& operator=(RValue other);
+    DictionaryFile(DictionaryFile&& other);
+    DictionaryFile& operator=(DictionaryFile&& other);
 
     // The desired location of the dictionary file, whether or not it exists.
     base::FilePath path;