Revert 267170 "Use DiscardableMemoryManager on Android."

trunk/src/base/memory/discardable_memory_emulated.h

Index: trunk/src/base/memory/discardable_memory_emulated.h
===================================================================
--- trunk/src/base/memory/discardable_memory_emulated.h	(revision 267174)
+++ trunk/src/base/memory/discardable_memory_emulated.h	(working copy)
@@ -16,7 +16,7 @@
     : public DiscardableMemory,
       public internal::DiscardableMemoryManagerAllocation {
  public:
-  explicit DiscardableMemoryEmulated(size_t bytes);
+  explicit DiscardableMemoryEmulated(size_t size);
   virtual ~DiscardableMemoryEmulated();
 
   static void RegisterMemoryPressureListeners();
@@ -32,12 +32,11 @@
   virtual void* Memory() const OVERRIDE;
 
   // Overridden from internal::DiscardableMemoryManagerAllocation:
-  virtual bool AllocateAndAcquireLock() OVERRIDE;
+  virtual bool AllocateAndAcquireLock(size_t bytes) OVERRIDE;
   virtual void ReleaseLock() OVERRIDE {}
   virtual void Purge() OVERRIDE;
 
  private:
-  const size_t bytes_;
   scoped_ptr<uint8[]> memory_;
   bool is_locked_;