Fix "unsafe narrowing" warnings in absl, 6/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: 470810568
Change-Id: Ibd316a7e62cc43cb198ba22daed565c9573ce235

1 files changed, 3 insertions, 3 deletions

diff --git a/absl/strings/internal/cordz_info_statistics_test.cc b/absl/strings/internal/cordz_info_statistics_test.cc
index 476c38d2..6d6feb52 100644
--- a/absl/strings/internal/cordz_info_statistics_test.cc
+++ b/absl/strings/internal/cordz_info_statistics_test.cc
@@ -62,7 +62,7 @@ CordRepFlat* Flat(size_t size) {
 }
 
 // Creates an external of the specified length
-CordRepExternal* External(int length = 512) {
+CordRepExternal* External(size_t length = 512) {
   return static_cast<CordRepExternal*>(
       NewExternalRep(absl::string_view("", length), [](absl::string_view) {}));
 }
@@ -352,7 +352,7 @@ TEST(CordzInfoStatisticsTest, SharedSubstringRing) {
 }
 
 TEST(CordzInfoStatisticsTest, BtreeLeaf) {
-  ASSERT_THAT(CordRepBtree::kMaxCapacity, Ge(3));
+  ASSERT_THAT(CordRepBtree::kMaxCapacity, Ge(3u));
   RefHelper ref;
   auto* flat1 = Flat(2000);
   auto* flat2 = Flat(200);
@@ -392,7 +392,7 @@ TEST(CordzInfoStatisticsTest, BtreeNodeShared) {
   RefHelper ref;
   static constexpr int leaf_count = 3;
   const size_t flat3_count = CordRepBtree::kMaxCapacity - 3;
-  ASSERT_THAT(flat3_count, Ge(0));
+  ASSERT_THAT(flat3_count, Ge(0u));
 
   CordRepBtree* tree = nullptr;
   size_t mem_size = 0;