MacViews: Fix text input for password textfields.

ui/views/controls/textfield/textfield_unittest.cc

Index: ui/views/controls/textfield/textfield_unittest.cc
diff --git a/ui/views/controls/textfield/textfield_unittest.cc b/ui/views/controls/textfield/textfield_unittest.cc
index 03c8e580bf48f8e1387d10c588a320bbabae80f5..1236c9575d7843b52f7f33eabec61f3b14d73560 100644
--- a/ui/views/controls/textfield/textfield_unittest.cc
+++ b/ui/views/controls/textfield/textfield_unittest.cc
@@ -951,6 +951,31 @@ TEST_F(TextfieldTest, PasswordTest) {
   EXPECT_STR_EQ("foofoofoo", textfield_->text());
 }
 
+// Check that text insertion works appropriately for password and read-only
+// textfields.
+TEST_F(TextfieldTest, TextInputType_InsertionTest) {
+  InitTextfield();
+  textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
+  EXPECT_EQ(ui::TEXT_INPUT_TYPE_PASSWORD, textfield_->GetTextInputType());
+
+  SendKeyEvent('a');

[msw, 2016/06/29 17:26:40]

Use ui::VKEY_A here, etc. below for 'b' and 'c' (values may differ by platform).

[karandeepb, 2016/06/30 06:03:24]

Done.

+  SendKeyEvent(0x05E1);
+  SendKeyEvent('b');
+
+  EXPECT_EQ(WideToUTF16(L"a\x05E1"
+                        L"b"),
+            textfield_->text());
+
+  textfield_->SetReadOnly(true);
+  EXPECT_EQ(ui::TEXT_INPUT_TYPE_NONE, textfield_->GetTextInputType());
+  SendKeyEvent('c');
+
+  // No text should be inserted for read only textfields.
+  EXPECT_EQ(WideToUTF16(L"a\x05E1"
+                        L"b"),
+            textfield_->text());
+}
+
 TEST_F(TextfieldTest, TextInputType) {
   InitTextfield();