Cleanup of ScannerConstants, now named UnicodeCache.

src/scanner.h

Index: src/scanner.h
diff --git a/src/scanner.h b/src/scanner.h
index 776ba535efd10d4aaa4179c6d46ef9591b6302df..b15cf4f6dbde0bbf0e67842de9a89748d5ea1fb8 100644
--- a/src/scanner.h
+++ b/src/scanner.h
@@ -134,8 +134,8 @@ class ExternalTwoByteStringUC16CharacterStream: public UC16CharacterStream {
 
 class V8JavaScriptScanner : public JavaScriptScanner {
  public:
-  explicit V8JavaScriptScanner(ScannerConstants* scanner_constants)
-      : JavaScriptScanner(scanner_constants) {}
+  explicit V8JavaScriptScanner(UnicodeCache* unicode_cache)
+      : JavaScriptScanner(unicode_cache) {}
 
   void Initialize(UC16CharacterStream* source);
 };
@@ -143,7 +143,7 @@ class V8JavaScriptScanner : public JavaScriptScanner {
 
 class JsonScanner : public Scanner {
  public:
-  explicit JsonScanner(ScannerConstants* scanner_constants);
+  explicit JsonScanner(UnicodeCache* unicode_cache);
 
   void Initialize(UC16CharacterStream* source);