Prepare push to trunk. Now working on version 3.21.4.

R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23232008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16299 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-08-23: Version 3.21.3
+
+        Temporarily disabled optimization for StringWrappers to use native
+        valueOf. (issue 2855)
+
+        Fixed crash on function declarations in eval inside non-trivial local
+        scope. (issue 2594)
+
+        Rewrote SamplingCircularQueue. (issue 2814)
+
+        Fixed hidden properties on object with frozen prototype. (issue 2829)
+
+        Fix deoptimization bug. (Chromium issue 274164)
+
+        Stability improvements on all platforms.
+
+
 2013-08-22: Version 3.21.2
 
         Stability improvements on all platforms.

src/version.cc

@@ -34,7 +34,7 @@
 // system so their names cannot be changed without changing the scripts.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     21
-#define BUILD_NUMBER      3
+#define BUILD_NUMBER      4
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)