Prepare push to trunk. Now working on version 3.25.7.

R=dslomov@chromium.org
TBR=dslomov@chromium.org

Review URL: https://codereview.chromium.org/189463018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2014-03-10: Version 3.25.6
+
+        Replace the recursion in PropagateMinusZeroChecks() with a loop and a
+        worklist (issue 3204).
+
+        Reland "Enable Object.observe by default" (issue 2409).
+
+        Enable Object.observe by default (issue 2409).
+
+        AllocationTracker now maintains a map from address range to stack trace
+        that allocated the range. When snapshot is generated the map is used to
+        find construction stack trace for an object using its address (Chromium
+        issue 277984).
+
+        Introduce Runtime_GetAllScopesDetails to get all scopes at once for a
+        frame (Chromium issue 340285).
+
+        Reduce heavy runtime calls from debug mirrors (Chromium issue 340285).
+
+        Check and clear date cache in DateCurrentTime, DateLocalTimezone and
+        getTimezoneOffset (Chromium issue 142141).
+
+        Performance and stability improvements on all platforms.
+
+
 2014-03-06: Version 3.25.5
 
         Fix HConstants with Smi-ranged HeapNumber values (Chromium issue

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     25
-#define BUILD_NUMBER      6
+#define BUILD_NUMBER      7
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)