Rewrite std::string("") to std::string(), Linux edition.

components/autofill/browser/wallet/wallet_address_unittest.cc

Index: components/autofill/browser/wallet/wallet_address_unittest.cc
diff --git a/components/autofill/browser/wallet/wallet_address_unittest.cc b/components/autofill/browser/wallet/wallet_address_unittest.cc
index 0949c6a94bdb1042a577a25341b6861b11b45ab3..7ac92f70f17c77d7629858945e10bd4e7a59366e 100644
--- a/components/autofill/browser/wallet/wallet_address_unittest.cc
+++ b/components/autofill/browser/wallet/wallet_address_unittest.cc
@@ -176,7 +176,7 @@ TEST_F(WalletAddressTest, CreateAddressMissingObjectId) {
                   ASCIIToUTF16("administrative_area_name"),
                   ASCIIToUTF16("postal_code_number"),
                   ASCIIToUTF16("phone_number"),
-                  "");
+                  std::string());
   ASSERT_EQ(address, *Address::CreateAddress(*dict_));
 }
 
@@ -243,7 +243,7 @@ TEST_F(WalletAddressTest, CreateDisplayAddress) {
                   ASCIIToUTF16("state"),
                   ASCIIToUTF16("postal_code"),
                   ASCIIToUTF16("phone_number"),
-                  "");
+                  std::string());
   ASSERT_EQ(address, *Address::CreateDisplayAddress(*dict_));
 }
 
@@ -272,7 +272,7 @@ TEST_F(WalletAddressTest, ToDictionaryWithoutID) {
                   ASCIIToUTF16("administrative_area_name"),
                   ASCIIToUTF16("postal_code_number"),
                   ASCIIToUTF16("phone_number"),
-                  "");
+                  std::string());
 
   EXPECT_TRUE(expected.Equals(address.ToDictionaryWithoutID().get()));
 }