Prepare push to trunk. Now working on version 3.20.10.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/20697002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15895 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-07-26: Version 3.20.9
+
+        Check that ExternalString objects get aligned resources.
+
+        Fixed JSArray-specific length lookup in polymorphic array handling
+        (Chromium issues 263276, 263905).
+
+        Performance and stability improvements on all platforms.
+
+
 2013-07-24: Version 3.20.8
 
         Deprecated v8::V8::Pause/ResumeProfiler.

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     20
-#define BUILD_NUMBER      9
+#define BUILD_NUMBER      10
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)