Up the window.localstorage limit to 10M from 5M.

webkit/common/dom_storage/dom_storage_types.h

Index: webkit/common/dom_storage/dom_storage_types.h
diff --git a/webkit/common/dom_storage/dom_storage_types.h b/webkit/common/dom_storage/dom_storage_types.h
index 991628f198c745a6b6f5af060787878186152ff4..1d1e585cc41c377ab03d9ea9d898461d2c00ee20 100644
--- a/webkit/common/dom_storage/dom_storage_types.h
+++ b/webkit/common/dom_storage/dom_storage_types.h
@@ -16,9 +16,9 @@
 
 namespace dom_storage {
 
-// The quota for each storage area. Suggested by the spec.
-// This value is enforced in renderer processes.
-const size_t kPerAreaQuota = 5 * 1024 * 1024;
+// The quota for each storage area.
+// This value is enforced in renderer processes and the browser process.
+const size_t kPerAreaQuota = 10 * 1024 * 1024;
 
 // In the browser process we allow some overage to
 // accomodate concurrent writes from different renderers