Revert 205207 "Merge 204571 "Add workaround for Mali-400 zero-si..."

gpu/command_buffer/service/buffer_manager.h

Index: gpu/command_buffer/service/buffer_manager.h
===================================================================
--- gpu/command_buffer/service/buffer_manager.h	(revision 205230)
+++ gpu/command_buffer/service/buffer_manager.h	(working copy)
@@ -219,13 +219,9 @@
     return memory_tracker_->GetMemRepresented();
   }
 
-  // Tells for a given usage if this would be a client side array.
+  // Tell's for a given usage if this would be a client side array.
   bool IsUsageClientSideArray(GLenum usage);
 
-  // Tells whether a buffer that is emulated using client-side arrays should be
-  // set to a non-zero size.
-  bool UseNonZeroSizeForClientSideArrayBuffer();
-
  private:
   friend class Buffer;
   void StartTracking(Buffer* buffer);