Fix includes in util/testharness.h.

This CL removes unused headers included by util/testharness.h, adds
precise includes where the build breaks, and fixes style errors in the
edited files.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=189331061

db/db_bench.cc

@@ -5,11 +5,10 @@
 #include <sys/types.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include "db/db_impl.h"
-#include "db/version_set.h"
 #include "leveldb/cache.h"
 #include "leveldb/db.h"
 #include "leveldb/env.h"
+#include "leveldb/filter_policy.h"
 #include "leveldb/write_batch.h"
 #include "port/port.h"
 #include "util/crc32c.h"

util/coding.h

@@ -12,7 +12,9 @@
 
 #include <stdint.h>
 #include <string.h>
+
 #include <string>
+
 #include "leveldb/slice.h"
 #include "port/port.h"
 
@@ -35,8 +37,8 @@ bool GetLengthPrefixedSlice(Slice* input, Slice* result);
 // in *v and return a pointer just past the parsed value, or return
 // NULL on error.  These routines only look at bytes in the range
 // [p..limit-1]
-const char* GetVarint32Ptr(const char* p,const char* limit, uint32_t* v);
-const char* GetVarint64Ptr(const char* p,const char* limit, uint64_t* v);
+const char* GetVarint32Ptr(const char* p, const char* limit, uint32_t* v);
+const char* GetVarint64Ptr(const char* p, const char* limit, uint64_t* v);
 
 // Returns the length of the varint32 or varint64 encoding of "v"
 int VarintLength(uint64_t v);

util/coding_test.cc

@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
 
-#include "util/coding.h";
+#include <vector>;
 
+#include "util/coding.h"
 #include "util/testharness.h"
 
 namespace leveldb {

util/testharness.cc

@@ -4,11 +4,15 @@
 
 #include "util/testharness.h"
 
-#include <string>
 #include <stdlib.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
+#include <string>
+#include <vector>
+
+#include "leveldb/env.h"
+
 namespace leveldb {
 namespace test {
 

util/testharness.h

@@ -7,10 +7,10 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+
 #include <sstream>
-#include "leveldb/env.h"
-#include "leveldb/slice.h"
-#include "util/random.h"
+
+#include "leveldb/status.h"
 
 namespace leveldb {
 namespace test {
@@ -74,10 +74,10 @@ class Tester {
     return *this;
   }
 
-#define BINARY_OP(name,op)                              \
+#define BINARY_OP(name, op)                             \
   template <class X, class Y>                           \
   Tester& name(const X& x, const Y& y) {                \
-    if (! (x op y)) {                                   \
+    if (!(x op y)) {                                    \
       ss_ << " failed: " << x << (" " #op " ") << y;    \
       ok_ = false;                                      \
     }                                                   \
@@ -111,21 +111,21 @@ class Tester {
 #define ASSERT_LE(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsLe((a),(b))
 #define ASSERT_LT(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsLt((a),(b))
 
-#define TCONCAT(a,b) TCONCAT1(a,b)
-#define TCONCAT1(a,b) a##b
-
-#define TEST(base,name)                                                 \
-class TCONCAT(_Test_,name) : public base {                              \
- public:                                                                \
-  void _Run();                                                          \
-  static void _RunIt() {                                                \
-    TCONCAT(_Test_,name) t;                                             \
-    t._Run();                                                           \
-  }                                                                     \
-};                                                                      \
-bool TCONCAT(_Test_ignored_,name) =                                     \
-  ::leveldb::test::RegisterTest(#base, #name, &TCONCAT(_Test_,name)::_RunIt); \
-void TCONCAT(_Test_,name)::_Run()
+#define TCONCAT(a, b) TCONCAT1(a, b)
+#define TCONCAT1(a, b) a##b
+
+#define TEST(base, name)                                                       \
+class TCONCAT(_Test_, name) : public base {                                    \
+ public:                                                                       \
+  void _Run();                                                                 \
+  static void _RunIt() {                                                       \
+    TCONCAT(_Test_, name) t;                                                   \
+    t._Run();                                                                  \
+  }                                                                            \
+};                                                                             \
+bool TCONCAT(_Test_ignored_, name) =                                           \
+  ::leveldb::test::RegisterTest(#base, #name, &TCONCAT(_Test_, name)::_RunIt); \
+void TCONCAT(_Test_, name)::_Run()
 
 // Register the specified test.  Typically not used directly, but
 // invoked via the macro expansion of TEST.