Use SourceLocation rather than private FileAndLine struct

PiperOrigin-RevId: 975243584
Change-Id: I79641e284981745c470227cd77effb984ca0d57d

absl/types/source_location.h

diff --git a/absl/types/source_location.h b/absl/types/source_location.h
index 6e14836..36e2d9e 100644
--- a/absl/types/source_location.h
+++ b/absl/types/source_location.h
@@ -72,7 +72,8 @@
 // C++17-compatible class representing a specific location in the source code of
 // a program. Similar to std::source_location, but with a few key differences
 // explained above.
-class SourceLocation {
+class
+    SourceLocation {
   struct PrivateTag {
    private:
     explicit PrivateTag() = default;
@@ -110,7 +111,8 @@
   //   }
   static constexpr SourceLocation current(
       PrivateTag = PrivateTag{}, std::uint_least32_t line = __builtin_LINE(),
-      const char* absl_nonnull file_name = __builtin_FILE()) {
+      const char*
+          absl_nonnull file_name = __builtin_FILE()) {
     return SourceLocation(line, file_name);
   }
 #else
@@ -130,7 +132,8 @@
 
   // The file name of the captured source location, or an unspecified string
   // if this information is not available. Guaranteed to never be NULL.
-  constexpr const char* absl_nonnull file_name() const noexcept {
+  constexpr const char*
+      absl_nonnull file_name() const noexcept {
     return file_name_;
   }
 
@@ -146,8 +149,10 @@
  private:
   // `file_name` must outlive all copies of the `absl::SourceLocation` object,
   // so in practice it should be a string literal.
-  constexpr SourceLocation(std::uint_least32_t line,
-                           const char* absl_nonnull file_name)
+  constexpr SourceLocation(
+      std::uint_least32_t line,
+      const char*
+          absl_nonnull file_name)
       : line_(line), file_name_(file_name) {}
 
   // We would use [[maybe_unused]] here, but it doesn't work on all supported
@@ -162,7 +167,8 @@
   // type.
   std::uint_least32_t line_ = 0;
   std::uint_least32_t unused_column_ = 0;
-  const char* absl_nonnull file_name_ = "";
+  const char*
+      absl_nonnull file_name_ = "";
 };
 
 ABSL_NAMESPACE_END