[NOT FOR COMMIT] Ignore inserting characters of Keys with modifiers on CrOS

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 056a4c569b441b5e3b9c6772b8ef5c3e6976ebca..9a78de27ce255b44f57674e0c13ba960e58a7b7c 100644
--- a/ui/views/controls/textfield/textfield_unittest.cc
+++ b/ui/views/controls/textfield/textfield_unittest.cc
@@ -457,6 +457,14 @@ class TextfieldTest : public ViewsTestBase, public TextfieldController {
 #endif
   }
 
+  bool TestingNativeCrOs() const {
+#if defined(OS_CHROMEOS)
+    return true;
+#else
+    return false;
+#endif  // defined(OS_CHROMEOS)
+  }
+
  protected:
   void SendKeyEvent(ui::KeyboardCode key_code,
                     bool alt,
@@ -476,6 +484,10 @@ class TextfieldTest : public ViewsTestBase, public TextfieldController {
                 (command ? ui::EF_COMMAND_DOWN : 0) |
                 (caps_lock ? ui::EF_CAPS_LOCK_DOWN : 0);
 
+    SendKeyPress(key_code, flags);
+  }
+
+  void SendKeyPress(ui::KeyboardCode key_code, int flags) {
 #if defined(OS_MACOSX) && !defined(USE_AURA)
     // The Mac EventGenerator hooks in before IME. It sends events first to an
     // NSResponder, which is necessary to interpret keyboard events into
@@ -707,6 +719,29 @@ TEST_F(TextfieldTest, KeyTest) {
     EXPECT_STR_EQ("TexT!1!1", textfield_->text());
 }
 
+TEST_F(TextfieldTest, KeysWithModifiersTest) {
+  InitTextfield();
+  const int ctrl = ui::EF_CONTROL_DOWN;
+  const int alt = ui::EF_ALT_DOWN;
+  const int command = ui::EF_COMMAND_DOWN;
+  const int altgr = ui::EF_ALTGR_DOWN;
+  const int shift = ui::EF_SHIFT_DOWN;
+
+  SendKeyPress(ui::VKEY_T, shift);
+  SendKeyPress(ui::VKEY_E, shift | altgr);
+  SendKeyPress(ui::VKEY_X, 0);
+  SendKeyPress(ui::VKEY_T, ctrl);
+  SendKeyPress(ui::VKEY_1, alt);
+  SendKeyPress(ui::VKEY_2, command);
+  SendKeyPress(ui::VKEY_3, 0);
+  SendKeyPress(ui::VKEY_4, 0);
+
+  if (TestingNativeCrOs())
+    EXPECT_STR_EQ("TEx34", textfield_->text());
+  else
+    EXPECT_STR_EQ("TEx234", textfield_->text());
+}
+
 TEST_F(TextfieldTest, ControlAndSelectTest) {
   // Insert a test string in a textfield.
   InitTextfield();