Prepare push of version 2.2.2 to trunk.

Review URL: http://codereview.chromium.org/1607013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4385 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2010-04-12: Version 2.2.2
+
+        Introduced new profiler API.
+
+        Fixed random number generator to produce full 32 random bits.
+
+
 2010-04-06: Version 2.2.1
 
         Debugger improvements.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     2
 #define MINOR_VERSION     2
-#define BUILD_NUMBER      2
+#define BUILD_NUMBER      3
 #define PATCH_LEVEL       0
 #define CANDIDATE_VERSION true