Revert 274326 "Lobotomize the GPU memory manager"

trunk/src/content/test/gpu/gpu_tests/memory.py

Index: trunk/src/content/test/gpu/gpu_tests/memory.py
===================================================================
--- trunk/src/content/test/gpu/gpu_tests/memory.py	(revision 274878)
+++ trunk/src/content/test/gpu/gpu_tests/memory.py	(working copy)
@@ -8,9 +8,9 @@
 from telemetry.core.timeline import counter
 from telemetry.core.timeline import model
 
-MEMORY_LIMIT_MB = 192
-SINGLE_TAB_LIMIT_MB = 192
-WIGGLE_ROOM_MB = 8
+MEMORY_LIMIT_MB = 256
+SINGLE_TAB_LIMIT_MB = 128
+WIGGLE_ROOM_MB = 4
 
 test_harness_script = r"""
   var domAutomationController = {};