base: Simplify the construction of MD5Digest.

base/md5_unittest.cc

Index: base/md5_unittest.cc
diff --git a/base/md5_unittest.cc b/base/md5_unittest.cc
index 8d817e9a8e0a6d97bbfa95eab54240737649ffb2..f6721dfd62e12f07bd749fee291e2a8e1dde5556 100644
--- a/base/md5_unittest.cc
+++ b/base/md5_unittest.cc
@@ -23,7 +23,7 @@ TEST(MD5, DigestToBase16) {
   };
 
   for (int i = 0; i < 16; ++i)
-    digest.a[i] = data[i] & 0xff;
+    digest[i] = data[i] & 0xff;
 
   std::string actual = MD5DigestToBase16(digest);
   std::string expected = "d41d8cd98f00b204e9800998ecf8427e";
@@ -45,7 +45,7 @@ TEST(MD5, MD5SumEmtpyData) {
   };
 
   for (int i = 0; i < 16; ++i)
-    EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
+    EXPECT_EQ(expected[i], digest[i] & 0xFF);
 }
 
 TEST(MD5, MD5SumOneByteData) {
@@ -62,7 +62,7 @@ TEST(MD5, MD5SumOneByteData) {
   };
 
   for (int i = 0; i < 16; ++i)
-    EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
+    EXPECT_EQ(expected[i], digest[i] & 0xFF);
 }
 
 TEST(MD5, MD5SumLongData) {
@@ -83,7 +83,7 @@ TEST(MD5, MD5SumLongData) {
   };
 
   for (int i = 0; i < 16; ++i)
-    EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
+    EXPECT_EQ(expected[i], digest[i] & 0xFF);
 }
 
 TEST(MD5, ContextWithEmptyData) {
@@ -101,7 +101,7 @@ TEST(MD5, ContextWithEmptyData) {
   };
 
   for (int i = 0; i < 16; ++i)
-    EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
+    EXPECT_EQ(expected[i], digest[i] & 0xFF);
 }
 
 TEST(MD5, ContextWithLongData) {
@@ -138,7 +138,7 @@ TEST(MD5, ContextWithLongData) {
   };
 
   for (int i = 0; i < 16; ++i)
-    EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
+    EXPECT_EQ(expected[i], digest[i] & 0xFF);
 }
 
 // Example data from http://www.ietf.org/rfc/rfc1321.txt A.5 Test Suite