Prepare push to trunk. Now working on version 3.22.21.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/39483002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17353 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-10-24: Version 3.22.20
+
+        Made Array.prototype.pop throw if the last element is not configurable.
+
+        Fixed HObjectAccess for loads from migrating prototypes.
+        (Chromium issue 305309)
+
+        Enabled preaging of code objects when --optimize-for-size.
+        (Chromium issue 280984)
+
+        Exposed v8::Function::GetDisplayName to public API.
+        (Chromium issue 17356)
+
+        Performance and stability improvements on all platforms.
+
+
 2013-10-23: Version 3.22.19
 
         Fix materialization of captured objects with field tracking.

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     22
-#define BUILD_NUMBER      20
+#define BUILD_NUMBER      21
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)