Fix "unsafe narrowing" warnings in absl, 5/n.

Addresses failures with the following, in some files:
-Wshorten-64-to-32
-Wimplicit-int-conversion
-Wsign-compare
-Wsign-conversion
-Wtautological-unsigned-zero-compare

(This specific CL focuses on .cc files in strings/internal/.)

Bug: chromium:1292951
PiperOrigin-RevId: 468215101
Change-Id: I07fa487bcf2cf62d403489c3be7a5997cdef8987

1 files changed, 4 insertions, 4 deletions

diff --git a/absl/strings/internal/cordz_info.h b/absl/strings/internal/cordz_info.h
index 026d5b99..8e86f223 100644
--- a/absl/strings/internal/cordz_info.h
+++ b/absl/strings/internal/cordz_info.h
@@ -196,7 +196,7 @@ class ABSL_LOCKABLE CordzInfo : public CordzHandle {
     std::atomic<CordzInfo*> head ABSL_GUARDED_BY(mutex){nullptr};
   };
 
-  static constexpr int kMaxStackDepth = 64;
+  static constexpr size_t kMaxStackDepth = 64;
 
   explicit CordzInfo(CordRep* rep, const CordzInfo* src,
                      MethodIdentifier method);
@@ -216,7 +216,7 @@ class ABSL_LOCKABLE CordzInfo : public CordzHandle {
   // `stack_` depending on `parent_stack_` being empty, returning the size of
   // the parent stack.
   // Returns 0 if `src` is null.
-  static int FillParentStack(const CordzInfo* src, void** stack);
+  static size_t FillParentStack(const CordzInfo* src, void** stack);
 
   void ODRCheck() const {
 #ifndef NDEBUG
@@ -244,8 +244,8 @@ class ABSL_LOCKABLE CordzInfo : public CordzHandle {
 
   void* stack_[kMaxStackDepth];
   void* parent_stack_[kMaxStackDepth];
-  const int stack_depth_;
-  const int parent_stack_depth_;
+  const size_t stack_depth_;
+  const size_t parent_stack_depth_;
   const MethodIdentifier method_;
   const MethodIdentifier parent_method_;
   CordzUpdateTracker update_tracker_;