Prepare push to trunk. Now working on version 3.9.22.

R=jkummerow@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9724031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11081 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2012-03-19: Version 3.9.21
+
+        Fixed push-to-trunk script (and re-push).
+
+        Added API call that identifies strings that are guaranteed only to
+        contain ASCII characters.
+
+
 2012-03-19: Version 3.9.20
 
         Fixed declarations escaping global strict eval. (Issue 1624)

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     9
-#define BUILD_NUMBER      21
+#define BUILD_NUMBER      22
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)