Extend base::Reversed to support iterating arrays

base/containers/adapters_unittest.cc

Index: base/containers/adapters_unittest.cc
diff --git a/base/containers/adapters_unittest.cc b/base/containers/adapters_unittest.cc
index 4c874722b3fdb172d6d65cec41d36faa0af68fc1..92554b7e1e168b3b4bf9457f1d8d7414a415a9a1 100644
--- a/base/containers/adapters_unittest.cc
+++ b/base/containers/adapters_unittest.cc
@@ -25,7 +25,19 @@ TEST(AdaptersTest, Reversed) {
   EXPECT_EQ(101, v[2]);
 }
 
-TEST(AdaptersTest, ConstReversed) {
+TEST(AdaptersTest, ReversedArray) {
+  int v[3] = {3, 2, 1};
+  int j = 0;
+  for (int& i : base::Reversed(v)) {
+    EXPECT_EQ(++j, i);
+    i += 100;
+  }
+  EXPECT_EQ(103, v[0]);
+  EXPECT_EQ(102, v[1]);
+  EXPECT_EQ(101, v[2]);
+}
+
+TEST(AdaptersTest, ReversedConst) {
   std::vector<int> v;
   v.push_back(3);
   v.push_back(2);