Prepare API for webkit use of Latin-1

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 5d8c1952e30510ee4c72521050a7b1d0211b7edc..aab5f9c524a6e27e3560a93ed01e63346f101581 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -1064,7 +1064,8 @@ class String : public Primitive {
   enum Encoding {
     UNKNOWN_ENCODING = 0x1,
     TWO_BYTE_ENCODING = 0x0,
-    ASCII_ENCODING = 0x4
+    ASCII_ENCODING = 0x4,
+    ONE_BYTE_ENCODING = 0x4
   };
   /**
    * Returns the number of characters in this string.
@@ -1086,6 +1087,11 @@ class String : public Primitive {
   V8EXPORT bool MayContainNonAscii() const;
 
   /**
+   * Returns whether this string contains only one byte data.
+   */
+  V8EXPORT bool IsOneByte() const;
+
+  /**
    * Write the contents of the string to an external buffer.
    * If no arguments are given, expects the buffer to be large
    * enough to hold the entire string and NULL terminator. Copies
@@ -1127,6 +1133,11 @@ class String : public Primitive {
                           int start = 0,
                           int length = -1,
                           int options = NO_OPTIONS) const;
+  // One byte characters.
+  V8EXPORT int WriteOneByte(uint8_t* buffer,
+                            int start = 0,
+                            int length = -1,
+                            int options = NO_OPTIONS) const;
   // UTF-8 encoded characters.
   V8EXPORT int WriteUtf8(char* buffer,
                          int length = -1,
@@ -1228,6 +1239,8 @@ class String : public Primitive {
     ExternalAsciiStringResource() {}
   };
 
+  typedef ExternalAsciiStringResource ExternalOneByteStringResource;
+
   /**
    * If the string is an external string, return the ExternalStringResourceBase
    * regardless of the encoding, otherwise return NULL.  The encoding of the