Bug 1306128 - Revert the low memory thresholds to their previous values r=njn

modules/libpref/init/all.js

@@ -4859,11 +4859,11 @@ pref("dom.netinfo.enabled", false);
 #ifdef XP_WIN
 // On 32-bit Windows, fire a low-memory notification if we have less than this
 // many mb of virtual address space available.
-pref("memory.low_virtual_memory_threshold_mb", 256);
+pref("memory.low_virtual_memory_threshold_mb", 128);
 
 // On Windows 32-bit, fire a low-memory notification if we have less
 // than this many mb of commit space (physical memory plus page file) left.
-pref("memory.low_commit_space_threshold_mb", 256);
+pref("memory.low_commit_space_threshold_mb", 128);
 
 // On Windows 32-bit, fire a low-memory notification if we have less
 // than this many mb of physical memory available on the whole machine.