chrome/browser/safe_browsing: Change auto to not deduce raw pointers.

chrome/browser/safe_browsing/signature_evaluator_mac_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/safe_browsing/signature_evaluator_mac.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 #include <stdint.h>
 #include <string.h>
 #include <sys/xattr.h>
@@ skipping 45 matching lines @@
     base::FilePath dir_exe;
     ASSERT_TRUE(PathService::Get(base::DIR_EXE, &dir_exe));
     base::FilePath file_exe;
     ASSERT_TRUE(PathService::Get(base::FILE_EXE, &file_exe));
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
   }
 
   bool SetupXattrs(const base::FilePath& path) {
     char sentinel = 'A';
-    for (const auto& xattr : xattrs) {
+    for (auto* xattr : xattrs) {
       std::vector<uint8_t> buf(10);
       memset(&buf[0], sentinel++, buf.size());
       if (setxattr(path.value().c_str(), xattr, &buf[0], buf.size(), 0, 0) != 0)
         return false;
     }
     return true;
   }
 
   base::FilePath testdata_path_;
   base::ScopedTempDir temp_dir_;
@@ skipping 238 matching lines @@
   EXPECT_TRUE(executable32->has_signature());
   EXPECT_TRUE(executable32->has_image_headers());
 
   EXPECT_TRUE(mainmenunib->has_relative_path());
   EXPECT_EQ("Contents/Resources/Base.lproj/MainMenu.nib",
             mainmenunib->relative_path());
   EXPECT_TRUE(mainmenunib->has_signature());
   EXPECT_EQ(6, mainmenunib->signature().xattr_size());
   // Manually convert the global xattrs array to a vector
   std::vector<std::string> xattrs_known;
-  for (const auto& xattr : xattrs)
+  for (auto* xattr : xattrs)
     xattrs_known.push_back(xattr);
 
   std::vector<std::string> xattrs_seen;
   for (const auto& xattr : mainmenunib->signature().xattr()) {
     ASSERT_TRUE(xattr.has_key());
     EXPECT_TRUE(xattr.has_value());
     xattrs_seen.push_back(xattr.key());
   }
   EXPECT_THAT(xattrs_known, ::testing::ContainerEq(xattrs_seen));
 }
 
 }  // namespace safe_browsing