Revert 244229 "base: Fix registering of memory pressure listener..."

trunk/src/base/memory/discardable_memory_emulated.cc

Index: trunk/src/base/memory/discardable_memory_emulated.cc
===================================================================
--- trunk/src/base/memory/discardable_memory_emulated.cc	(revision 244277)
+++ trunk/src/base/memory/discardable_memory_emulated.cc	(working copy)
@@ -29,21 +29,6 @@
   g_provider.Pointer()->Unregister(this);
 }
 
-// static
-void DiscardableMemoryEmulated::RegisterMemoryPressureListeners() {
-  g_provider.Pointer()->RegisterMemoryPressureListener();
-}
-
-// static
-void DiscardableMemoryEmulated::UnregisterMemoryPressureListeners() {
-  g_provider.Pointer()->UnregisterMemoryPressureListener();
-}
-
-// static
-void DiscardableMemoryEmulated::PurgeForTesting() {
-  g_provider.Pointer()->PurgeAll();
-}
-
 bool DiscardableMemoryEmulated::Initialize() {
   return Lock() == DISCARDABLE_MEMORY_LOCK_STATUS_PURGED;
 }
@@ -72,5 +57,10 @@
   return memory_.get();
 }
 
+// static
+void DiscardableMemoryEmulated::PurgeForTesting() {
+  g_provider.Pointer()->PurgeAll();
+}
+
 }  // namespace internal
 }  // namespace base