Update boringssl to M115

https://bugs.webkit.org/show_bug.cgi?id=257954
rdar://110642341

Reviewed by Eric Carlson.

Move from C99 to C11 as this is required for boringssl now.
Update the project files to compile what is necessary.

* Source/ThirdParty/libwebrtc/Configurations/Base.xcconfig: Added.
* Source/ThirdParty/libwebrtc/Source/third_party/boringssl: Resynced.
* Source/ThirdParty/libwebrtc/libwebrtc.xcodeproj/project.pbxproj: Added.

Canonical link: https://commits.webkit.org/265072@main

Author: youennf

Source/ThirdParty/libwebrtc/Configurations/Base.xcconfig

@@ -53,7 +53,7 @@ CLANG_WARN_STRICT_PROTOTYPES = YES;
 CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 DEBUG_INFORMATION_FORMAT = dwarf-with-dsym;
 ENABLE_BITCODE = NO;
-GCC_C_LANGUAGE_STANDARD = gnu99;
+GCC_C_LANGUAGE_STANDARD = gnu11;
 GCC_DEBUGGING_SYMBOLS = default;
 GCC_ENABLE_CPP_EXCEPTIONS = NO;
 GCC_ENABLE_CPP_RTTI = NO;

Source/ThirdParty/libwebrtc/Source/third_party/boringssl/.github/PULL_REQUEST_TEMPLATE

@@ -0,0 +1,7 @@
+Please do not send pull requests to the BoringSSL repository.
+
+We do, however, take contributions gladly.
+
+See https://boringssl.googlesource.com/boringssl/+/master/CONTRIBUTING.md
+
+Thanks!

Source/ThirdParty/libwebrtc/Source/third_party/boringssl/.gitignore

@@ -0,0 +1,30 @@
+build/
+build32/
+build64/
+ssl/test/runner/runner
+*.pyc
+*.swp
+*.swo
+doc/*.html
+doc/doc.css
+rust/Cargo.lock
+rust/bssl-crypto/Cargo.lock
+rust/target
+
+util/bot/android_ndk
+util/bot/android_sdk/public
+util/bot/cmake
+util/bot/golang
+util/bot/libFuzzer
+util/bot/libcxx
+util/bot/libcxxabi
+util/bot/llvm-build
+util/bot/nasm-win32.exe
+util/bot/ninja
+util/bot/perl-win32
+util/bot/sde-linux64
+util/bot/sde-linux64.tar.xz
+util/bot/sde-win32
+util/bot/sde-win32.tar.xz
+util/bot/win_toolchain.json
+target/