Reland of place for loops with |arraysize| with for each loops

components/autofill/core/common/autofill_regexes_unittest.cc

Index: components/autofill/core/common/autofill_regexes_unittest.cc
diff --git a/components/autofill/core/common/autofill_regexes_unittest.cc b/components/autofill/core/common/autofill_regexes_unittest.cc
index bf1c4250da63a6930ae5fb446f4e6d2ab5b87bc2..107830d52d1b39051ea6dac1613f1faf88f311e9 100644
--- a/components/autofill/core/common/autofill_regexes_unittest.cc
+++ b/components/autofill/core/common/autofill_regexes_unittest.cc
@@ -37,8 +37,7 @@
     // Case-insensitive
     {"StRiNg", "string"},
   };
-  for (size_t i = 0; i < arraysize(kPositiveCases); ++i) {
-    const TestCase& test_case = kPositiveCases[i];
+  for (const auto& test_case : kPositiveCases) {
     SCOPED_TRACE(test_case.input);
     SCOPED_TRACE(test_case.pattern);
     EXPECT_TRUE(MatchesPattern(ASCIIToUTF16(test_case.input),
@@ -57,8 +56,7 @@
     {"string", "ring "},
     {"string", "rin$"},
   };
-  for (size_t i = 0; i < arraysize(kNegativeCases); ++i) {
-    const TestCase& test_case = kNegativeCases[i];
+  for (const auto& test_case : kNegativeCases) {
     SCOPED_TRACE(test_case.input);
     SCOPED_TRACE(test_case.pattern);
     EXPECT_FALSE(MatchesPattern(ASCIIToUTF16(test_case.input),
@@ -97,8 +95,7 @@
     {"Exp Date     (MM / YY)"},
   };
 
-  for (size_t i = 0; i < arraysize(kPositiveCases); ++i) {
-    const TestCase& test_case = kPositiveCases[i];
+  for (const auto& test_case : kPositiveCases) {
     SCOPED_TRACE(test_case.input);
     EXPECT_TRUE(MatchesPattern(ASCIIToUTF16(test_case.input),pattern));
   }
@@ -132,8 +129,7 @@
     {"Exp Date     (MM / YYYY)"},
   };
 
-  for (size_t i = 0; i < arraysize(kNegativeCases); ++i) {
-    const TestCase& test_case = kNegativeCases[i];
+  for (const auto& test_case : kNegativeCases) {
     SCOPED_TRACE(test_case.input);
     EXPECT_FALSE(MatchesPattern(ASCIIToUTF16(test_case.input), pattern));
   }
@@ -170,8 +166,7 @@
     {"Exp Date     (MM / YYYY)"},
   };
 
-  for (size_t i = 0; i < arraysize(kPositiveCases); ++i) {
-    const TestCase& test_case = kPositiveCases[i];
+  for (const auto& test_case : kPositiveCases) {
     SCOPED_TRACE(test_case.input);
     EXPECT_TRUE(MatchesPattern(ASCIIToUTF16(test_case.input),pattern));
   }
@@ -205,8 +200,7 @@
     {"Exp Date     (MM / YY)"},
   };
 
-  for (size_t i = 0; i < arraysize(kNegativeCases); ++i) {
-    const TestCase& test_case = kNegativeCases[i];
+  for (const auto& test_case : kNegativeCases) {
     SCOPED_TRACE(test_case.input);
     EXPECT_FALSE(MatchesPattern(ASCIIToUTF16(test_case.input), pattern));
   }