thread_safe_memoizer_testing.h: rename function: "Next" -> "NextFuncReturnValue"

Author: dconeybe

Firestore/core/test/unit/util/thread_safe_memoizer_testing.cc

@@ -81,15 +81,15 @@ CountingFunc::CountingFunc(std::vector<std::string> chunks)
 std::function<std::shared_ptr<std::string>()> CountingFunc::func(
     std::string cookie) {
   return [this, cookie = std::move(cookie)] {
-    return std::make_shared<std::string>(Next(cookie));
+    return std::make_shared<std::string>(NextFuncReturnValue(cookie));
   };
 }
 
 int CountingFunc::invocation_count() const {
   return count_.load(std::memory_order_acquire);
 }
 
-std::string CountingFunc::Next(const std::string& cookie) {
+std::string CountingFunc::NextFuncReturnValue(const std::string& cookie) {
   const int id = count_.fetch_add(1, std::memory_order_acq_rel);
   std::ostringstream ss;
   for (const std::string& chunk : chunks_) {

Firestore/core/test/unit/util/thread_safe_memoizer_testing.h

@@ -97,7 +97,7 @@ class CountingFunc {
   std::vector<std::string> chunks_;
 
   explicit CountingFunc(std::vector<std::string> chunks);
-  std::string Next(const std::string& cookie);
+  std::string NextFuncReturnValue(const std::string& cookie);
 };
 
 /**