Change EstimatedAllocatedSizeForTesting() so that it is more sensit…

…ive to the

value of the argument and the number of calls, to make it more likely to find
bugs in size estimations.

PiperOrigin-RevId: 629407914

riegeli/base/BUILD

@@ -84,7 +84,6 @@ cc_library(
     deps = [
         ":arithmetic",
         "@com_google_absl//absl/base:core_headers",
-        "@com_google_absl//absl/numeric:bits",
     ],
 )
 

riegeli/base/estimated_allocated_size.h

@@ -18,7 +18,6 @@
 #include <stddef.h>
 
 #include "absl/base/attributes.h"
-#include "absl/numeric/bits.h"
 #include "riegeli/base/arithmetic.h"
 
 namespace riegeli {
@@ -42,7 +41,7 @@ inline size_t EstimatedAllocatedSize(ABSL_ATTRIBUTE_UNUSED const void* ptr,
 
 // A deterministic variant of `EstimatedAllocatedSize()`, useful for testing.
 inline size_t EstimatedAllocatedSizeForTesting(size_t requested_size) {
-  return absl::bit_ceil(requested_size);
+  return 16 + requested_size;
 }
 
 }  // namespace riegeli