Fix benchmark C++11 code

snappy_benchmark.cc

diff --git a/snappy_benchmark.cc b/snappy_benchmark.cc
index 98501ea..d6e35d3 100644
--- a/snappy_benchmark.cc
+++ b/snappy_benchmark.cc
@@ -31,12 +31,10 @@
 #include <string>
 #include <vector>
 
-#include "snappy-test.h"
-
 #include "benchmark/benchmark.h"
-
 #include "snappy-internal.h"
 #include "snappy-sinksource.h"
+#include "snappy-test.h"
 #include "snappy.h"
 #include "snappy_test_data.h"
 
@@ -44,7 +42,7 @@
 
 namespace {
 
-void FilesAndLevels(::testing::Benchmark* benchmark) {
+void FilesAndLevels(benchmark::internal::Benchmark* benchmark) {
   for (int i = 0; i < ARRAYSIZE(kTestDataFiles); ++i) {
     for (int level = snappy::CompressionOptions::MinCompressionLevel();
          level <= snappy::CompressionOptions::MaxCompressionLevel(); ++level) {
@@ -64,8 +62,9 @@
                        kTestDataFiles[file_index].size_limit);
 
   std::string zcontents;
-  snappy::Compress(contents.data(), contents.size(), &zcontents,
-                   snappy::CompressionOptions{/*level=*/state.range(1)});
+  snappy::Compress(
+      contents.data(), contents.size(), &zcontents,
+      snappy::CompressionOptions{/*level=*/static_cast<int>(state.range(1))});
   char* dst = new char[contents.size()];
 
   for (auto s : state) {
@@ -129,8 +128,9 @@
                        kTestDataFiles[file_index].size_limit);
 
   std::string zcontents;
-  snappy::Compress(contents.data(), contents.size(), &zcontents,
-                   snappy::CompressionOptions{/*level=*/state.range(1)});
+  snappy::Compress(
+      contents.data(), contents.size(), &zcontents,
+      snappy::CompressionOptions{/*level=*/static_cast<int>(state.range(1))});
 
   for (auto s : state) {
     CHECK(snappy::IsValidCompressedBuffer(zcontents.data(), zcontents.size()));
@@ -226,7 +226,7 @@
   // Uncompress into an iovec containing ten entries.
   const int kNumEntries = 10;
   struct iovec iov[kNumEntries];
-  char *dst = new char[contents.size()];
+  char* dst = new char[contents.size()];
   size_t used_so_far = 0;
   for (int i = 0; i < kNumEntries; ++i) {
     iov[i].iov_base = dst + used_so_far;
@@ -267,8 +267,9 @@
                        kTestDataFiles[file_index].size_limit);
 
   std::string zcontents;
-  snappy::Compress(contents.data(), contents.size(), &zcontents,
-                   snappy::CompressionOptions{/*level=*/state.range(1)});
+  snappy::Compress(
+      contents.data(), contents.size(), &zcontents,
+      snappy::CompressionOptions{/*level=*/static_cast<int>(state.range(1))});
   char* dst = new char[contents.size()];
 
   for (auto s : state) {