Make iOS main() functions normal.

The weird foo_mains are no longer needed when we build with GN.

CQ_INCLUDE_TRYBOTS=skia.primary:Build-Mac-Clang-arm-Debug-iOS

Change-Id: Iae50696741e0dc277d96dda4968a1ae41cb17c8a
Reviewed-on: https://skia-review.googlesource.com/8064
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Stephan Altmueller <stephana@google.com>
diff --git a/tools/dump_record.cpp b/tools/dump_record.cpp
index 03ef93e..98845e5 100644
--- a/tools/dump_record.cpp
+++ b/tools/dump_record.cpp
@@ -37,8 +37,7 @@
     DumpRecord(record, &canvas, FLAGS_timeWithCommand);
 }
 
-int tool_main(int argc, char** argv);
-int tool_main(int argc, char** argv) {
+int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
 
     for (int i = 0; i < FLAGS_skps.count(); i++) {
@@ -95,9 +94,3 @@
 
     return 0;
 }
-
-#if !defined SK_BUILD_FOR_IOS
-int main(int argc, char * const argv[]) {
-    return tool_main(argc, (char**) argv);
-}
-#endif