Remove Windows workarounds in some tests.

leveldb::Env::DeleteFile was replaced with leveldb::Env::RemoveFile in
all tests. This allows us to remove workarounds for windows.h #defining
DeleteFile.
PiperOrigin-RevId: 289121105

benchmarks/db_bench.cc

@@ -18,11 +18,6 @@
 #include "util/random.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 // Comma-separated list of operations to run in the specified order
 //   Actual benchmarks:
 //      fillseq       -- write N values in sequential key order in async mode

db/db_test.cc

@@ -23,11 +23,6 @@
 #include "util/mutexlock.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 static std::string RandomString(Random* rnd, int len) {

db/fault_injection_test.cc

@@ -25,11 +25,6 @@
 #include "util/mutexlock.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 static const int kValueSize = 1000;

db/recovery_test.cc

@@ -13,11 +13,6 @@
 #include "util/logging.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 class RecoveryTest : public testing::Test {

helpers/memenv/memenv_test.cc

@@ -13,11 +13,6 @@
 #include "leveldb/env.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 class MemEnvTest : public testing::Test {

util/env_test.cc

@@ -12,11 +12,6 @@
 #include "util/mutexlock.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 static const int kDelayMicros = 100000;