Revert "Workaround for Qualcomm renderbuffer resize bug"

gpu/command_buffer/service/renderbuffer_manager.h

Index: gpu/command_buffer/service/renderbuffer_manager.h
diff --git a/gpu/command_buffer/service/renderbuffer_manager.h b/gpu/command_buffer/service/renderbuffer_manager.h
index e87b1303cd03d89a1f423b118aff2fa373e8c27e..698a1d9afb2db61e4c1298f98ff161db41261bb2 100644
--- a/gpu/command_buffer/service/renderbuffer_manager.h
+++ b/gpu/command_buffer/service/renderbuffer_manager.h
@@ -74,10 +74,6 @@ class GPU_EXPORT Renderbuffer
     return has_been_bound_ && !IsDeleted();
   }
 
-  // Regenerates the object backing this client_id, creating a new service_id.
-  // Also reattaches any framebuffers using this renderbuffer.
-  bool RegenerateAndBindBackingObjectIfNeeded();
-
   void AddFramebufferAttachmentPoint(Framebuffer* framebuffer,
                                      GLenum attachment);
   void RemoveFramebufferAttachmentPoint(Framebuffer* framebuffer,
@@ -119,9 +115,6 @@ class GPU_EXPORT Renderbuffer
   // Whether this renderbuffer has been cleared
   bool cleared_;
 
-  // Whether this renderbuffer has been allocated.
-  bool allocated_;
-
   // Whether this renderbuffer has ever been bound.
   bool has_been_bound_;